Marine Biology News

November 10, 2025

Top Headlines

Microbes That Breathe Rust Could Help Save Earth’s Oceans

Nov. 9, 2025 — Researchers from the University of Vienna discovered MISO bacteria that use iron minerals to oxidize toxic sulfide, creating energy and producing sulfate. This biological process reshapes how scientists understand global sulfur and iron cycles. By ...

A Warming Earth Could Accidentally Trigger a Deep Freeze

Nov. 2, 2025 — Earth’s climate balance isn’t just governed by the slow weathering of silicate rocks, which capture carbon and stabilize temperature over eons. New research reveals that biological and oceanic feedback loops—especially involving algae, ...

A New Microscopy Breakthrough Is Revealing the Oceans’ Invisible Life

Nov. 2, 2025 — A pandemic-era breakthrough has allowed scientists to literally expand our view of plankton. By using ultrastructure expansion microscopy, researchers visualized the inner workings of hundreds of marine species for the first time. The effort, tied ...

Scientists Just Found Out How Corals Rebuild Themselves on the Reef

Oct. 29, 2025 — Researchers at QUT uncovered how corals reattach to reefs through a three-phase process involving tissue transformation, anchoring, and skeleton formation. Differences among species reveal why some corals grow and attach faster than others. ...

Antarctic Robot ‘Lassie’ Uncovers Thousands of Icefish Nests Beneath Antarctic Ice

Oct. 29, 2025 — Beneath the ice of Antarctica’s Weddell Sea, scientists discovered a vast, organized city of fish nests revealed after the colossal A68 iceberg broke away. Using robotic explorers, they found over ...

Atlantic Dolphins Are Dying Much Younger. Scientists Sound the Alarm

Oct. 22, 2025 — Common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping seven years since the 1990s. Researchers found this decline by analyzing stranded dolphins, revealing a 2.4% drop in population growth ...

Glowing Sugars Show How Microbes Eat the Ocean's Carbon

Oct. 19, 2025 — Researchers have developed a light-emitting sugar probe that exposes how marine microbes break down complex carbohydrates. The innovative fluorescent tool allows scientists to visualize when and where sugars are degraded in the ocean. This ...

They’re Smaller Than Dust, but Crucial for Earth’s Climate

Oct. 10, 2025 — Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological records that chronicle our planet’s history. European scientists are uniting to honor them with International ...

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 — Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep channels and restored marine life in less than ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 5, 2025 — New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at risk of extinction, could face increased dangers ...

Japan’s Hot Springs Hold Clues to the Origins of Life on Earth

Oct. 3, 2025 — Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, which mimic the ancient oceans, to uncover how ...

The Billion-year Reign of Fungi That Predated Plants and Made Earth Livable

Oct. 1, 2025 — Fungi may have shaped Earth’s landscapes long before plants appeared. By combining rare gene transfers with fossil evidence, researchers have traced fungal origins back nearly a billion years earlier than expected. These ancient fungi may have ...

Latest Headlines

updated 10:45am EST

Warm Ocean Beneath Saturn’s Icy Moon Enceladus May Be Perfect for Life

Nov. 9, 2025 — NASA’s Cassini mission has revealed surprising heat flow at Enceladus’ north pole, showing the moon releases energy from both ends. This balance of heat could allow its subsurface ocean to remain ...

A 480-Million-Year-Old Parasite Still Infects Oysters Today

Nov. 5, 2025 — Researchers discovered fossil evidence showing that spionid worms, parasites of modern oysters, were already infecting bivalves 480 million years ago. High-resolution scans revealed their distinctive ...

Ancient Fish With Human-Like Hearing Stuns Scientists

Nov. 3, 2025 — Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling our own. By examining a 67-million-year-old fossil, researchers from UC ...

Killer Whales Perfect a Ruthless Trick to Hunt Great White Sharks

Nov. 3, 2025 — In the Gulf of California, a pod of orcas known as Moctezuma’s pod has developed a chillingly precise technique for hunting young great white sharks — flipping them upside down to paralyze and ...

Scientists Teach Bacteria the Octopus’s Secret to Camouflage

Nov. 3, 2025 — Researchers at UC San Diego have figured out how to get bacteria to produce xanthommatin, the pigment that lets octopuses and squids camouflage. By linking the pigment’s production to bacterial ...

Scientists Discover 14 Strange New Species Hidden in the Deep Sea

Nov. 2, 2025 — Scientists are revolutionizing how new marine species are described through the Ocean Species Discoveries initiative. Using advanced lab techniques, researchers recently unveiled 14 new species from ...

After 25 Years, Scientists Solve the Bird-Eating Bat Mystery

Nov. 2, 2025 — After decades of mystery, scientists have finally proven that Europe’s largest bat, the greater noctule, hunts and eats small songbirds mid-air—more than a kilometer above ground. Using tiny ...

Japan’s New “samurai Jellyfish” Is Simply Stunning

Nov. 1, 2025 — Scientists in Japan have discovered Physalia mikazuki, a previously unknown species of Portuguese man-of-war, in northern waters for the first time. DNA and anatomical analysis confirmed it as ...

Before Plants or Animals, Fungi Conquered Earth’s Surface

Oct. 28, 2025 — Fungi’s evolutionary roots stretch far deeper than once believed — up to 1.4 billion years ago, long before plants or animals appeared. Using advanced molecular dating and gene transfer analysis, ...

A Hidden Temperature Law Governs All Life on Earth

Oct. 25, 2025 — In a groundbreaking discovery, scientists at Trinity College Dublin have identified a "universal thermal performance curve" that governs how all living organisms respond to temperature. This finding ...

How Algae Learned to Harness the Sun Without Getting Burned

Oct. 22, 2025 — Under the sea, green algae have evolved a clever way to handle too much sunlight. Scientists found that a special pigment called siphonein acts like a natural sun shield, protecting the algae’s ...

Glowing Shark and Hidden Crab Found Deep Off Australia

Oct. 8, 2025 — In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Before They Sucked Blood, Leeches Were Ocean Hunters

Oct. 1, 2025 — A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

Dolphins May Be Getting Alzheimer’s from Toxic Ocean Blooms

Oct. 11, 2025 — Dolphins washing up on Florida’s shores may be victims of the same kind of brain degeneration seen in humans with Alzheimer’s disease. Researchers discovered that cyanobacterial toxins—worsened ...

Fish Love Songs Recorded for 12 Years Reveal a Surprising Shift

Sep. 23, 2025 — By recording grouper grunts for 12 years, scientists discovered major shifts in how red hind spawn and compete. Courtship calls once dominated, but territorial sounds have surged, suggesting changes ...

DNA from Old Ants Reveals a Hidden Insect Apocalypse in Fiji

Sep. 20, 2025 — Insects are essential for ecosystems, but mounting evidence suggests many populations are collapsing under modern pressures. A new study used cutting-edge genomic techniques on museum specimens to ...

Scientists Just Found the Strongest Signs of Life on Mars Yet

Oct. 1, 2025 — Perseverance rover data shows Jezero Crater once held a calm lake, leaving behind mudstones rich in organic-linked minerals. The presence of iron-phosphate and iron-sulfide nodules suggests processes ...

A Pink Bumpy Snailfish Was Just Discovered Miles Beneath the Ocean

Sep. 26, 2025 — Scientists have identified three new species of deep-sea snailfish, including the strikingly pink “bumpy snailfish,” thanks to MBARI’s advanced technology and global collaborations. Found ...

Hungry Flathead Catfish Are Changing Everything in the Susquehanna

Sep. 9, 2025 — Flathead catfish are rapidly reshaping the Susquehanna River’s ecosystem. Once introduced, these voracious predators climbed to the top of the food chain, forcing native fish like channel catfish ...

The Ocean’s Most Abundant Microbe Is Near Its Breaking Point

Sep. 9, 2025 — Tiny ocean microbes called Prochlorococcus, once thought to be climate survivors, may struggle as seas warm. These cyanobacteria drive 5% of Earth’s photosynthesis and underpin much of the marine ...

Salmon’s Secret Superfood Is Smaller Than a Grain of Salt

Sep. 8, 2025 — Tiny diatoms and their bacterial partners act as nature’s nutrient factories, fueling insects and salmon in California’s Eel River. Their pollution-free process could inspire breakthroughs in ...

Scientists Just Found Real Teeth Growing on a Fish’s Head

Oct. 16, 2025 — Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

Fossil Reveals a 310-Million-Year-Old Fish That Ate With a Hidden Second Jaw

Sep. 4, 2025 — Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second jaw. This adaptation, previously thought to have ...

Why Most Whale Sharks in Indonesia Are Scarred by Humans

Aug. 28, 2025 — Whale sharks in Indonesia are suffering widespread injuries, with a majority scarred by human activity. Researchers found bagans and boats to be the biggest threats, especially as shark tourism ...

Sharks’ Teeth Are Crumbling in Acid Seas

Aug. 27, 2025 — Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening ...

Scientists Just Found Hidden Parasitic Wasps Spreading Across the U. S.

Sep. 15, 2025 — Researchers discovered two new parasitic wasp species living in the U.S., tracing their origins back to Europe and uncovering clues about how they spread. Their arrival raises fresh questions about ...

Scientists Found the Missing Nutrients Bees Need — Colonies Grew 15-Fold

Aug. 23, 2025 — Scientists have developed a breakthrough food supplement that could help save honeybees from devastating declines. By engineering yeast to produce six essential sterols found in pollen, researchers ...

Protected Seas Help Kelp Forests Bounce Back from Heatwaves

Aug. 20, 2025 — Kelp forests bounce back faster from marine heatwaves when shielded inside Marine Protected Areas. UCLA researchers found that fishing restrictions and predator protection strengthen ecosystem ...

Tiny Ancient Whale With a Killer Bite Found in Australia

Aug. 13, 2025 — An extraordinary fossil find along Victoria’s Surf Coast has revealed Janjucetus dullardi, a sharp-toothed, dolphin-sized predator that lived 26 million years ago. With large eyes, slicing teeth, ...

Crushing Vs. Slashing: New Skull Scans Reveal How Giant Dinosaurs Killed

Aug. 5, 2025 — Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed ...