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Top Headlines

Black Hole-Neutron Star Collisions May Help Settle Dispute Over Universe's Expansion

Apr. 28, 2021 — A new study simulated 25,000 scenarios of black holes and neutron stars colliding, aiming to see how many would likely be detected by instruments on ...

Icy Clouds Could Have Kept Early Mars Warm Enough for Rivers and Lakes

Apr. 26, 2021 — A new study led by a planetary scientist uses a computer model of Mars to put forth a promising explanation onto how Mars once contained rivers and lakes: Mars could have had a thin layer of icy, ...

Mars illustration (stock | (c) (c) elen31 / Adobe

Mars Has Right Ingredients for Present-Day Microbial Life Beneath Its Surface, Study Finds

Apr. 22, 2021 — New research suggests that rocks in the Martian crust could produce the same kind of chemical energy that supports microbial ...

Mars' Changing Habitability Recorded by Ancient Dune Fields in Gale Crater

Apr. 22, 2021 — An international team has found evidence of ancient dunes on Mars that could help explain ancient surface ...

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Asteroid That Hit Botswana in 2018 Likely Came from Vesta, Scientists Say

Apr. 26, 2021 — An international team of researchers searched for pieces of a small asteroid tracked in space and then observed to impact Botswana on June 2, ...

Radar Satellites Can Better Protect Against Bushfires and Floods

Apr. 23, 2021 — New research has revealed how radar satellites can improve the ability to detect, monitor, prepare for and withstand natural disasters in Australia including bushfires, floods and ...

ALMA Discovers Rotating Infant Galaxy With Help of Natural Cosmic Telescope

Apr. 22, 2021 — Using ALMA, astronomers found a rotating baby galaxy 1/100th the size of the Milky Way at a time when the Universe was only seven percent of its present age. Thanks to assistance by the gravitational ...

Carbon Dioxide-Rich Liquid Water in Ancient Meteorite

Apr. 21, 2021 — Scientists detect small pockets of carbon dioxide-rich liquid water in a meteorite dating from the early solar ...

NASA's Ingenuity Mars Helicopter Succeeds in Historic First Flight

Apr. 19, 2021 — The small rotorcraft made history, hovering above Jezero Crater, demonstrating that powered, controlled flight on another planet ...

Baked Meteorites Yield Clues to Planetary Atmospheres

Apr. 15, 2021 — In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers heated pristine meteorite samples in a high-temperature furnace and analyzed the gases ...

New Research Reveals Secret to Jupiter's Curious Aurora Activity

Apr. 10, 2021 — Jupiter's polar cap is threaded in part with closed magnetic field lines rather than entirely with open magnetic field lines, new research ...

Curiosity Rover Explores Stratigraphy of Gale Crater

Apr. 8, 2021 — Gale Crater's central sedimentary mound (Aeolis Mons or, informally, Mount Sharp) is a 5.5-km-tall remnant of the infilling and erosion of this ancient impact crater. Given its thickness and age, ...

Meteor shower | (c) (c) Paulista / Adobe

More Than 5,000 Tons of Extraterrestrial Dust Fall to Earth Each Year

Apr. 8, 2021 — Every year, our planet encounters dust from comets and asteroids. These interplanetary dust particles pass through our atmosphere and give rise to shooting stars. Some of ...

Asteroid Crater on Earth Provides Clues About Martian Craters

Apr. 8, 2021 — The 15-million-year-old Nördlinger Ries is an asteroid impact crater filled with lake sediments. A research team has now discovered a volcanic ash layer in the crater. In addition, they show that ...