The Extremely Large Telescope will revolutionize our view of the cosmos when it sees first light in Chile in 2028. In fact, ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

There is no need to look further than Earth to find plants and animals that live extremely long lives, says one reader ...

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Finding alien life won’t be as dramatic as a flying saucer landing on the White House lawn – it’ll be NASA scientists holding ...

Researchers suggest that certain gases detected in the atmospheres of exoplanets could be key indicators in the search for ...

Scientists have long thought that our solar system's ocean worlds, such as Jupiter's moon Europa and Saturn's moon Enceladus, ...

Scientists are trying to understand how the caves formed and how life is supported in extreme environments. The post ...

Fossil fuels powered the industrial revolution. Would aliens need a similar power source to jump-start a technical revolution ...

Astrophysicist Avi Loeb is on a mission to prove aliens exist. His peers say he's chasing sensationalism. He reflects on his ...