A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...

"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

Credit: Gaorong Li and Xiaodong Wang New fossils hint that the roots of complex animal life stretch further back than ...

After more than five years of roaming the desolate and dusty landscapes of the Martian surface, NASA’s Perseverance rover has come across some of the most intriguing evidence yet of ancient microbial ...

Consciousness, which the duo refers to as a target phenomenon, needs a physical substrate to exist. In the case of ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

Billions of years ago, environmental conditions on Mars were significantly more hospitable than they are today. Our ...