Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black hole in a neighboring galaxy According to new simulations, many, even most, ...

Imagine if the nearest intelligent aliens were not across the street, not across the solar system, but on the far side of the Milky Way, some 33,000 light-years away from Earth. That’s the scenario ...

Enrico Fermi’s decades-old question—“Where is everybody?”—remains one of science’s most haunting mysteries. If the universe is teeming with stars and planets, and life has evolved on Earth, why hasn’t ...

"Milky Way season," when our galaxy's bright center is most visible, is now beginning in the Northern Hemisphere. The best time to see the Milky Way in the U.S. is generally from March to September.