In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

NASA just made a discovery that could change everything: an underground ocean on Saturn’s moon Enceladus. With the potential ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

New research says that the search for extraterrestrial life may be too narrow, as life could thrive in conditions far different from Earth's.

So far, in the search for extraterrestrial life, dumb life has won out. With healthy funding from NASA, astronomers have made astonishing progress over the past 20 years articulating what kinds of ...

A strong possibility exists that extraterrestrial life can be found on a planet known as K2-18b located 120 light-years away. Here's what to know about the discovery and the ongoing search for life.

Is there alien life on K2-18b? A strong possibility exists that extraterrestrial life can be found on a distant exoplanet known as K2-18b.. Using observations from NASA’s James Webb Space ...

News stories about the likely existence of extraterrestrial life, and our chances of detecting it, tend to be positive.We are often told that we might discover it any time now. Finding life beyond ...

Alien life might not be based on carbon, which forms the backbone of all life's essential molecules — at least here on Earth. It might not even need a planet to survive.

Enceladus is one of the best candidates for extraterrestrial life in our solar system. Three of Saturn's moons, Tethys, Enceladus and Mimas, are captured in this photo from NASA's Cassini spacecraft.

Extraterrestrial life could have passed through its own technological singularity long ago, meaning that our universe could be dominated by artificial life-forms.

When is it OK to kill an alien life-form?. In the movies, the answer is usually pretty simple: It’s OK in self-defense, especially if it inspires a rousing speech about human exceptionalism.