On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Alien civilizations, cosmic signals, and megastructures drive this deep search for intelligent life beyond Earth. The video ...

Steven Spielberg discusses his new UFO film "Disclosure Day" on Michelle Obama's podcast, saying it explores whether aliens ...

The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, ...

Exploring deep, dangerous underwater cave systems offers scientists and divers unparalleled glimpses into Earth’s history, ...

Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

"This whole evil alien trope seems to me to be a mirror held back to how our civilization has interacted with itself." ...

America’s favorite astrophysicist has turned that lifelong fascination into a book, “Take Me to Your Leader: Perspectives on Your First Alien Encounter,” which — like that beam of light — illuminates ...