News tagged with fossil evidence

Related topics: fossil

New statistical model moves human evolution back 3 million years

Evolutionary divergence of humans from chimpanzees likely occurred some 8 million years ago rather than the 5 million year estimate widely accepted by scientists, a new statistical model suggests.

Other Sciences / Archaeology & Fossils

created Nov 05, 2010 | popularity 4.7 / 5 (18) | comments 5 | with audio podcast

First great predator not much of one at all

The meters-long, carnivorous "shrimp" from hell that once ruled the seas of Earth a half billion years ago may have been a real softy, it turns out. A new 3-D modeling of the mouth parts of the Anomalocaris, along with e ...

Other Sciences / Archaeology & Fossils

created Nov 01, 2010 | popularity 4.5 / 5 (4) | comments 0

Researchers provide new understanding of bizarre extinct mammal

University of Florida researchers presenting new fossil evidence of an exceptionally well-preserved 55-million-year-old North American mammal have found it shares a common ancestor with rodents and primates, ...

Other Sciences / Archaeology & Fossils

created Oct 11, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Tracking viruses back in time

How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question.

Space & Earth / Earth Sciences

created Sep 06, 2010 | popularity 4.9 / 5 (11) | comments 1 | with audio podcast

Kangaroo evolution linked to climatic change

(PhysOrg.com) -- The evolution of kangaroos is intricately tied to Australia's changing climate, according to new research.

Biology / Plants & Animals

created Aug 04, 2010 | popularity 3 / 5 (5) | comments 0 | with audio podcast

Fish out of water: Gene clue to evolutionary step

Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.

Biology / Biotechnology

created Jun 24, 2010 | popularity 4.9 / 5 (11) | comments 5

Team explains how dinosaurs rose to prominence

A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers ...

Space & Earth / Earth Sciences

created Mar 22, 2010 | popularity 4.7 / 5 (17) | comments 9 | with audio podcast

Jaws -- 4 million BC

It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.

Other Sciences / Archaeology & Fossils

created Mar 16, 2010 | popularity 4.7 / 5 (9) | comments 0 | with audio podcast

Dynasty of plankton-eating giants from Age of Dinosaurs revealed in new study

(PhysOrg.com) -- Giant plankton-eating fish filled the prehistoric seas for more than 100 million years before they were wiped out in the same event that killed off the dinosaurs, new fossil evidence claims.

Other Sciences / Archaeology & Fossils

created Feb 18, 2010 | popularity 5 / 5 (13) | comments 0 | with audio podcast

Raft or bridge: How did iguanas reach tiny Pacific islands?

Scientists have long puzzled over how iguanas, a group of lizards mostly found in the Americas, came to inhabit the isolated Pacific islands of Fiji and Tonga. For years, the leading explanation has been that progenitors ...

Biology / Plants & Animals

created Jan 11, 2010 | popularity 5 / 5 (6) | comments 2 | with audio podcast

Flying dinosaur controversy resolved

(PhysOrg.com) -- New research appears to have ended a scientific debate that has vexed palaeontologists for almost 100 years.

Other Sciences / Archaeology & Fossils

created Dec 10, 2009 | popularity 3.5 / 5 (17) | comments 2

Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...

Biology / Evolution

created Nov 10, 2009 | popularity 4.7 / 5 (23) | comments 16

Like a hungry teen, life on Earth had big growth spurts

Twice in the Earth's history, living creatures underwent astonishing growth spurts, and each time, new organisms emerged that were a million times larger than anything that had existed before.

Space & Earth / Earth Sciences

created Oct 27, 2009 | popularity 3.6 / 5 (7) | comments 8

Rediscovering the dragon's paradise lost

The world's largest living lizard species, the Komodo dragon (Varanus komodoensis), is vulnerable to extinction and yet little is known about its natural history. New research by a team of palaeontologists and ar ...

Other Sciences / Archaeology & Fossils

created Sep 30, 2009 | popularity 4.8 / 5 (4) | comments 2

Getting a leg up on whale and dolphin evolution

When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the ...

Biology / Evolution

created Sep 24, 2009 | popularity 3.9 / 5 (8) | comments 0