Something strange happens to water as it moves through the stems of horsetail plants – and this unique process provides ...

Researchers recently discovered a huge chain of extinct volcanoes buried deep below South China that formed when two tectonic ...

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by 800 million years.

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...