A study from Cornell University discovered that a particular purple “light fingerprint” could be indicative of ...

Scientists have identified 45 Earth-like exoplanets that are the strongest known candidates for hosting extraterrestrial life.

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Oxygen on exoplanets can be the result of simple chemical processes rather than biological ones.

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Astronomers have discovered 41 new alien planets in one sweep by analyzing how each world gravitationally yanks on its neighbors. The newly confirmed exoplanets were spotted by NASA's prolific Kepler ...

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

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

"I do not believe we yet have convincing evidence of the presence of DMS in K2-18b's atmosphere." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...