Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

A mysterious new world has been spotted at the galaxy's edge, sparking excitement among astronomers, and its all thanks to a ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

No telescope has basked in the night sky quite like the enormous new Vera Rubin Observatory. Here's what it could reveal ...

The two gas giant planets, both more massive than our solar system's largest planet Jupiter, were directly imaged by Webb in a planetary system located in the Milky Way galaxy about 310 light ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...