History Channel series “Ancient Aliens” returns Friday, February 7 at 9 p.m. ET with all-new episodes. Stream the season premiere for free with a Philo 7-day trial.

"Where Is Everybody?" introduces The Twilight Zone theme of reality vs. fantasy in the pilot episode. "Eye Of The Beholder" ...

New research suggests it is unlikely NASA’s plans to obtain samples from Enceladus' liquid oceans will provide clear evidence ...

Scientists searching for life beyond Earth often look to ocean worlds like Enceladus, one of Saturn’s icy moons. Enceladus ...

Trovants are rocks that grow by absorbing minerals from rainwater. Romania is home to a cluster of trovants that inspired ...

The belief that life exists outside of Earth is known as ‘cosmic pluralism’. Intriguingly, this was briefly a topic of ...

Researchers have discovered the maximum distance aliens would be able to detect signatures from Earth using technology similar to ours.

Scientists studying Saturn's icy moon, Enceladus, have discovered that its ocean forms layers that slow the upward movement ...