A plant that lived 47 million years ago in what is now Utah is like nothing that lives on planet Earth today. The discovery of new fossils reveals that a species first found in 1969 is not a member of ...

An “alien plant” fossil discovered 55 years ago just outside of an abandoned town in Utah has no relation to any currently ...

The arrival of the interstellar object 3I/ATLAS has reignited one of the most profound debates in science: whether Earth's biological history is unique or the result of ancient extraterrestrial ...