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.

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.

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 Trump administration's revocation of a scientific finding that climate change is a danger to public health is likely to affect communities of color the most.

Well, imagine walking into a mine in Ogdensburg, New Jersey, and forgetting you’re even on planet Earth anymore because the ...

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

Around 250 million years ago, what is today scorching desert in remote northwestern Australia was the shore of a shallow bay ...

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were ...

“The ancient DNA came to our rescue to secure the specimens’ true identity,” wrote Wooller and his colleagues. It also opened ...