The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

In honor of America's 250th birthday, here are 50 must-see American movies that celebrate who we are, who we've been and who ...

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

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

After more than five years of roaming the desolate and dusty landscapes of the Martian surface, NASA’s Perseverance rover has ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

The June 30 primary elections will determine party nominees for the November election. Here are live updates from the ...

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 ...