Eight signals from far-off stars probably aren't aliens, but the machine learning method that found them holds promise in the search for real extraterrestrials.
Through a phenomenon known as gravitational lensing, aliens could be transmitting signals using the sun, but a quick scan for such signals has turned up nothing.
Early life made an inhospitable Earth more habitable, and aliens could be doing the same thing on their worlds, new research proposes.
Nearly half of all new UFO cases opened in 2022 cannot be explained, Pentagon officials wrote.
A new search for alien signals focuses on planetary transits, when exoplanets pass right in front of their suns.
Metallic spheres zooming past military jets, mysterious signals inside the world's largest telescope, and theories on why we have yet to make contact.
The detector would search for ripples in the fabric of space-time left in the spacecraft's wake.
UFO reports from U.S. military personnel are flooding the government's new All-Domain Anomaly Resolution Office (AARO).
A new paper claims that intelligent aliens would only be interested in contacting the most technologically advanced planets, and Earth doesn't make the cut.
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