Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

The iconic photography festival is back for the 57th time with images of dogs, diners, UFOs and more ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

Japan's Hayabusa2 asteroid probe got up close to asteroid Torifune on July 5 and captured stunning new images of the ...

A nearby 'super Earth' in one of the closest star systems to our own appears far more likely to support alien life than first ...

'There were questions of the bomb squad being involved.' ...