A bizarre fossil called Prototaxites, which was the largest life-form on land 400 million years ago, may have been a ...

Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like organisms that looked like something from science fiction. Around 400 ...

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust ...

The complex building blocks of life can form spontaneously in space, a new lab experiment shows.

"We used to think that only very simple molecules could be created in these clouds. But we have shown that this is clearly ...

New research suggests that essential components of life may assemble in interstellar space long before planets or oceans exist.

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 ...