Predatory fish that evolved into the first terrestrial animals on Earth are still revealing insights into the origins of ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

Something strange happens to water as it moves through the stems of horsetail plants – and this unique process provides valuable clues for understanding past and present ecosystems ...

A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Ancient hunter-gatherers built monumental mounds at Kaillachuro in Peru without kings, rewriting history of "monumental ...

The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...