An international team of researchers has discovered a half-billion-year-old fossil with its internal organs still intact.

Paleontologists have long studied the fossilized remains of animals from the Cambrian period, a time when many major groups ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

Deep in ancient rock, researchers have uncovered a creature so well preserved that its brain and internal organs are still ...

Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Around 540 million years ago, Earth’s life underwent a burst of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Fossils can help us peer deep into the planet’s past. But that ...

Scientists have discovered a gigantic prehistoric relative of the horseshoe crab in the 500-million-year-old Burgess Shale in Canada, according to a study published in Royal Society Open Science on ...

The “king” of the trilobites was snacking on whatever it could eat some 514 million years ago in the Cambrian era, even shelled creatures of its own species. By Rebecca Dzombak Cannibalism is common ...

When a group of paleontologists dusted off a group of fossils that had been sitting on the shelf at the Royal Ontario Museum in Toronto, Canada since the 1980s, they uncovered a spooky organism with a ...

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