Fans of the 1986 sci-fi classic Aliens just got some off-world news: several of the movie's Colonial Marines are suiting up ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

SpaceX guided the capsule to a middle-of-the-night splashdown in the Pacific near San Diego, less than 11 hours after the ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...

For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...

Online forums have erupted over claims that China retrieved crashed UFOs in the 1990s, including reports of short, hair-covered alien survivors.

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

NASA Administrator Jared Isaacman said all four Crew-11 astronauts are 'in good spirits' after they landed early Thursday ...

The SpaceX Crew-11 Dragon spacecraft splashed down this morning as four astronauts completed an unprecedented medical ...