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An illustration of the exoplanet candidate Barnard's star b, also known as GJ 699 b.

Astronomers found a ‘cold super-Earth’ less than 6 light-years away — and it may be the first rocky planet we’ll photograph be...

Astronomers think they've found a "cold super-Earth." It might be the first exoplanet they photograph with a coming generation of powerful telescopes.
Katy Perry said she believes in aliens.

12 celebrities who say they believe in aliens or UFOs

From Gigi Hadid to Demi Lovato, here's a roundup of celebrities who believe in aliens, UFOs, and other life forms.
"Where is everybody?"

Smart aliens might live within 33,000 light-years of Earth. A new study explains why we haven’t found them yet.

The universe has so many galaxies, stars, planets, and moons that many scientists believe an intelligent extraterrestrial race should exist within detectable range of Earth. Humans have yet to detect such alien signals, but a new study suggests we've barely scratched the surface in our search.
An illustration of the Transiting Exoplanet Survey Satellite in space.

NASA’s biggest-ever hunt for alien planets is finally underway — and the agency expects to discover ‘strange, fantastic worlds’...

TESS, the Transiting Exoplanet Survey Satellite, is a space telescope designed to discover small, rocky, Earth-like exoplanets in nearby solar systems. NASA launched the observatory on April 18, but it took months for it to reach an orbit near the moon and begin scanning the skies.
The Pentagon building in 2010.

An alien hunter explains why extraterrestrial visitors are unlikely — despite the US government’s UFO evidence

Astronomer Seth Shostak is skeptical about alien visitation: "It is a little odd that aliens would come hundreds and hundreds of light-years to do nothing."

NASA has found evidence that an ice-covered moon of Saturn could sustain alien life

Gases found bubbling up through the ocean of Saturn's moon Enceladus may increase humanity's chances of finding extraterrestrial life.

NASA will soon reveal new discoveries about alien ocean worlds

The discoveries made by Cassini and the Hubble telescope could help guide the search for life beyond Earth, NASA says.

How to watch NASA reveal a ‘discovery beyond our solar system’ on Wednesday

Scientists who are working hard to find habitable extraterrestrial worlds will be in attendance.

NASA will soon reveal a surprising discovery about a moon of Jupiter that may support life

The space agency won't reveal details until Monday, but they may regard a crack in Europa's ice, plumes of water, and ocean chemistry that's friendly to life.