A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

The mystery of Peru's "conehead" mummies has baffled scientists for decades, and new DNA tests on the mummies' teeth have ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

Even as the Trump administration continues to declassify government files on UFO sightings, the official position of the ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

In the following six books, each writer looks to space to skillfully explore what it means to live on Earth. Salvation and ...

For roughly the first three decades of his career, Spielberg tended to take a fairly sanguine view of aliens, refusing to ...