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Animal Interaction Behind Cambrian Explosion? 'Missing' Ancestors Of Today's Animals May Not Be Missing After All
An event as simple as the
world's first bite may have
sparked an ancient
"explosion" of life 500
million years ago that led
... > full story
Dinosaur Bones Reveal Ancient Bug Bites
Paleontologists have long
been perplexed by dinosaur
fossils with missing pieces
-- sets of teeth without a
jaw bone, bones that are
pitted and grooved, even
bones that are half gone.
... > full story
Asteroid Impact 65 Million Years Ago Triggered A Global Hail Of Carbon Beads
The asteroid presumed to
have wiped out the dinosaurs
struck the Earth with such
force that carbon deep in
the Earth's crust liquefied,
... > full story
Sun's Movement Through Milky Way Regularly Sends Comets Hurtling, Coinciding With Mass Life Extinctions
A new study suggests the
solar system passes through
the plane of the galaxy
every 35 to 40 million
years. The period coincides
... > full story
- Animal Interaction Behind Cambrian Explosion? 'Missing' Ancestors Of Today's Animals May Not Be Missing After All
- Dinosaur Bones Reveal Ancient Bug Bites
- Asteroid Impact 65 Million Years Ago Triggered A Global Hail Of Carbon Beads
- Sun's Movement Through Milky Way Regularly Sends Comets Hurtling, Coinciding With Mass Life Extinctions
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Ancient Ecosystems Organized Much Like Our Own
May 1, 2008 — Similarities between half-billion-year-old and recent food webs point to deep principles underpinning the structure of ecological relationships, as shown by researchers from the Santa Fe Institute, ... > full story -
'New' Ancient Antarctic Sediment Reveals Climate Change History
April 30, 2008 — Recent additions to the premier collection of Southern Ocean sediment cores at Florida State University's Antarctic Marine Geology Research Facility will give international scientists a close-up look ... > full story -
When Did Dinosaurs Go Extinct? Cretaceous-Tertiary Boundary Dating Refined
April 28, 2008 — Thanks to a new calibration of the versatile argon-argon dating technique, geochronologists have established a more precise date for the dinosaur die-off at the end of the Cretaceous period: 65.95 ... > full story -
Dinosaurs Probably Lacked Tissue To Generate Heat
April 27, 2008 — Scientists have discovered why birds, unlike mammals, lack a tissue that is specialized to generate heat. There is a surprising implication that the same lack of heat-generating tissue may have ... > full story -
Molecular Analysis Confirms Tyrannosaurus Rex's Evolutionary Link To Birds
April 25, 2008 — Putting more meat on the theory that dinosaurs' closest living relatives are modern-day birds, molecular analysis of a shred of 68-million-year-old Tyrannosaurus rex protein -- along with that of 21 ... > full story -
Shell-breaking Crabs Lived 20 Million Years Earlier Than Thought
April 23, 2008 — While waiting for colleagues at a small natural history museum in the state of Chiapas, Mexico last year, Cornell paleontologist Greg Dietl chanced upon a discovery that has helped rewrite the ... > full story -
Unearthing Clues Of Catastrophic Earthquakes
April 18, 2008 — The destruction and disappearance of ancient cultures mark the history of human civilization, making for fascinating stories and cautionary tales. The longevity of today's societies may depend upon ... > full story -
Ancient Komodo Dragon Has Space-age Skull
April 14, 2008 — The fearsome Komodo dragon is the world's largest living lizard and can take very large animal prey: now a new international study has revealed how it can be such an efficient killing machine despite ... > full story -
Grand Canyon May Be As Old As Dinosaurs, 40-50 Million Years Older Than Previously Thought
April 11, 2008 — New geological evidence indicates the Grand Canyon may be so old that dinosaurs once lumbered along its rim. Researchers used a technique known as radiometric dating to show the Grand Canyon may have ... > full story -
Tiny Bug Found In Grand Canyon Region Cave Suggests Big Biodiversity
April 8, 2008 — The discovery of a new genus of a tiny booklouse from a northern Arizona cave may lead to further protection for cave ecosystems. This is the third new genus of invertebrates found by the same two ... > full story
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