Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

The discovery of a potentially habitable exoplanet by the James Webb Space Telescope sparks fresh curiosity across science ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

With the moon sitting low in the sky during this phase of its 18.6-year cycle, it's the perfect time to try capturing this ...

WASP-121b, an already unusual planet, might have a remote origin that explains some of its peculiar properties—from iron rain ...

With a $621,000 award from NASA, University of Massachusetts Amherst microbiologist James Holden will dedicate the next three years to “predicting” the nature of life on Europa.

HUMANS have been searching for aliens for decades – but all this time intelligent extraterrestrial life could have found us, ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the ...

The UK’s VERVE mission to hunt for microbial life in Venus’s clouds could redefine the search for extraterrestrial life.