Most stars in the cosmos are small, cool red dwarfs, yet the only intelligent life we know orbits a relatively rare yellow ...

Recent scans of interstellar visitor 3I/ATLAS by the Green Bank Telescope show no radio signals, yet astronomers argue it is ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

The past 12 months have read like a science-fiction novel, with thousands of UFOs swarming over the US East Coast, an ...

The potential for sending payloads and people to Mars is therefore becoming plausible in a way that it never has before. Mars ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

A bizarre ecosystem discovered 3,640 meters deep in the Arctic reveals "frozen reefs" and alien-like life. Learn about this ...

The liquid ocean on Jupiter’s moon Europa appears to be completely sealed off from the planet’s surface, which may reduce the ...

"The discovery of interstellar objects over the past decade offers new opportunities for humanity to send time capsules to interstellar space." ...

All the players who rocked our world, in the year of Oasis reunions, Black Sabbath farewells, and guitarists keeping their ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...