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

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

"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

NASA's Solar Dynamics Observatory captured a huge filament eruption in multiple wavelengths. Credit: Space.com | footage courtesy: NASA/SDO | edited by Steve Spaleta Music: Floating, Floating by ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of hearings and UAP files.

The southern lights curve above the Earth as the ISS orbited above the Indian Ocean southwest of Perth, Australia. NASA / Jessica Meir A trail of glowing green lights dances in a wavy pattern as it ...

The most recent fireball that lit up the night sky across several states in the U.S. was captured by one of NASA’s meteor cameras on Sunday. Coffee linked to significant new side effect, says massive ...

The most recent fireball that lit up the night sky across several states in the U.S. was captured by one of NASA's meteor cameras on Sunday.

WASHINGTON – They’re out there! The latest batch of newly declassified Pentagon documents about potential alien contact, that is. The Trump administration, on June 12 – the same day a new Steven ...