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 ...

Microscopic zircon crystals discovered in Western Australia suggest that Earth may have had continental crust as early as 4.4 ...

The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients. Scientists believe life arose in a primordial soup of organic chemicals ...

Earth froze over 717 million years ago. Ice crept down from the poles to the equator, and the dark subglacial seas suffocated ...

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

Christian Schroeder does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...