Fossils show earliest animal trails

(PhysOrg.com) -- Trails found in rocks dating back 565 million years are thought to be the earliest evidence of animal locomotion ever found, Oxford University scientists report.

Fossils on the Edge of Forever

Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.

DNA study sheds new light on horse evolution

(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past 55 million years.

Weeds that reinvented weediness

Flowering plants are all around us and are phenomenally successful—but how did they get to be so successful and where did they come from? This question bothered Darwin and others and a paper published in the September ...

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