Almost 20 years ago, New Scientist ran a feature called “Imagine Earth without people”, a thought experiment about what would happen to our planet over thousands of years if humanity suddenly ...

Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...

A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old, researchers report June 26 in Science. If true, these rocks would be the oldest known on Earth and the first to date ...

In 2008, Canadian researchers led by McGill PhD student Jonathan O'Neil said they'd found the world's oldest rocks, formed 4.3 billion years ago in what is now northwestern Quebec. Such rocks would ...

Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of microbes bored into the rock remains unknown, as does ...

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation.

A bright fireball streaked across the sky above mountains, glaciers and spruce forest near the town of Revelstoke in British Columbia, Canada, on the evening of March 31, 1965. Fragments of this ...