Search for Life

If we're looking for life as we don't know it, the best solvent out there may be concentrated sulfuric acid — the stuff that's floating around in the clouds of Venus.

Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing through enormous volumes of data to look for peculiar signals.

The Habitable Worlds Observatory is a flagship NASA telescope that could answer the ultimate question.

Scientists think it's possible that life cells from Earth could've been transferred to Venus, thanks to asteroid impacts over the last few billion years.

A newly discovered way for oxygen to form in carbon-dioxide-rich atmospheres of exoplanets could help guide scientists' search for alien life.

Ever since the discovery of methane on Mars, scientists have wondered if the Red Planet might harbor life. Now, researchers know where to look: deep under the surface of a broad Martian plain.

What should happen in 2025 to move the UAP/UFO story forward? Are we at a dead-end? Conversely, is the coming year one of "full disclosure?"

Recent sightings of unidentified aircraft in New Jersey and other states have triggered another round of unanswered questions — and fueled conspiracy theories.

Enceladus' ice plumes might be the reason why a dark spot on the moon is disappearing. But what is the spot in the first place?