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.

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

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.

US Secretary of State Marco Rubio addresses the Munich Security Conference ...

What began as a routine mission to the Moon quickly turned into one of the most dangerous moments in space exploration history. After a catastrophic failure crippled the spacecraft, the crew found ...

President Trump touts economic gains and border security in second-term State of the Union, setting the stage for midterm ...

Our planet was once a harsh, alien, icy world. Yet this deep freeze may have shaped you, me and all life on Earth ...

A ‘smiling’ fossil has gone viral after being discovered by a tourist on Holy Island.

If someone showed you photos of Onyx Cave without context, you’d probably assume they were concept art from the latest space ...

We’re like people living in an apartment building who never bother to check out the basement, except in this case, the ...