An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

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 ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

Sometimes the most extraordinary places hide in plain sight, and the Dee Wright Observatory near Blue River proves that ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

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

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?