Homo erectus may have left a detectable genetic trace in living humans through ancient interbreeding with Denisovans.

Rather than allowing Xenomorphs to evolve naturally through new hosts, the upcoming issue teases beings intentionally ...

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Humans often imagine extraterrestrial life as biological creatures similar to animals or people. However, some scientists ...

Star Trek creator Gene Roddenberry used Leonard Nimoy's Spock as a way to express one of the franchise's core ideas without ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

It was a close encounter of the Schiff kind. President Trump made an out of this world jibe when he was allegedly briefed on alien “hybrids” living among humans, a congressman claimed this week.

Add Yahoo as a preferred source to see more of our stories on Google. A major genetics study uncovers how ancient human ...

In a first, scientists recovered human DNA from ancient cave paintings, a breakthrough that could open new ways to investigate prehistoric human activity by enabling caves to act as “genetic archives” ...

Scientists have long been fascinated by prehistoric cave art, which offers a rare glimpse into the creative minds of our ancestors. Now, they might finally be able to “meet” some of the artists who ...