Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

The climate record holds some of its best warnings in stone, soil, and leaves. In a new study, scientists from the University of Utah and the Colorado School of Mines looked back to one of Earth’s ...

The Trump administration's revocation of a scientific finding that climate change is a danger to public health is likely to ...

So here’s the situation: you live in Virginia, which gives you access to one of the most spectacular underground attractions ...

The soda straws are another geological oddity that sounds more like a menu item than a cave feature. These thin, hollow tubes ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the ...

The Kimberley region in the north-west corner of Western Australia is full of rugged ranges and gorges, and long stretches of ...

Feb 19 (Reuters) - At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among the biggest of the meat-eating dinosaurs, notable for ...