Venus was once imagined as Earth’s mysterious twin, possibly hiding oceans, jungles, or alien life beneath its thick clouds.

What NASA found on Titan shocked scientists and changed how researchers viewed moons in deep space. Beneath layers of dense ...

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking ...

What is behind the surge in ufology? The recent spike can be traced to the top of the US government, which inspired me to start investigating ...

More than 170 accounts and videos reveal never-before-known UFO sightings.

A CBS News review of internal government documents and information provided to Congress shows immigration detention ...

Six people were found dead in a Union Pacific Railroad boxcar in Laredo, Texas, at the Mexican border, police there said, ...

Trump said the Pentagon review of UFO-related documents found 'many very interesting' records that would be released 'very, very soon.' ...

The Department of War just dumped a huge batch of UFO files, but does it have proof of aliens? Here's what we make of it.

The War Department released more than 160 files Friday related to sightings of UFOs dating back nearly 80 years, two days ...

Invasive species of plants and animals cost the African continent's crop, fisheries, livestock, and eco-tourism industries ...