The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

NASA has made a new out of this world discovery. NASA's James Webb Space Telescope recently captured evidence of a new planet ...

The James Webb Space Telescope has made yet another stunning discovery to round out three years of space exploration. This ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

Astronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...

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

A unique new material that shrinks when it is heated and expands when it is cooled could help enable the ultra-stable space ...

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

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

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.