This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

You need 5 Alien Batteries to repair the Command Ship in 99 Nights in the Forest, though only 4 are required to collect, ...

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

Alien: Earth star, Timothy Olyphant, reveals that Season 2 will take the story for the prequel series' next chapter in a very ...

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.

Anthony Salvanto, Ph.D., is CBS News' executive director of elections and surveys. He oversees the CBS News Poll and all surveys across topics and heads the CBS News Decision Desk that estimates ...

Steven Spielberg says he "would not be the right person" to serve as an ambassador for humanity when we meet aliens. The filmmaker says that he "would really look forward to" a real-life Disclosure ...