K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

This extremely mysterious phenomenon of UFOs or UAPs inevitably touches on matters of religion, spirituality, morality, and ...

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

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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The Allen Telescope Array at the Hat Creek Radio Observatory. Credit: Seth Shostak/SETI Institute A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious ...

Researchers from the University of Oxford have uncovered evidence that Mars once hosted enormous, Earth-like magmatic systems deep beneath its surface—despite the planet lacking the plate tectonics ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third Kind contact humans using music and lights, but the director ...

NASA’s Perseverance rover has uncovered what may be the strongest evidence yet of ancient life on Mars. Inside a 3-billion-year-old sedimentary rock from Jezero Crater, scientists identified dark ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A Harvard astrophysicist has told Newsweek the newly released UFO files ...

Today, the Supreme Court ruled 6-3 in Blanche v. Lau that U.S. Customs and Border Protection (CBP) can decline to admit a lawful permanent resident (LPR) into the U.S. based on an ongoing criminal ...