The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

When it comes to planets in our Solar System's habitable zone, one world is too close to the Sun, another is too far and ...

The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter," a planet as massive as Jupiter with an ...

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...

TOI-561 b is about 1.4 times the size of Earth and completes one orbit around its star in less than 11 hours, placing it in ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Astronomers detect strong evidence of an atmosphere on ultra-hot TOI-561 b, a low-density rocky planet circling a star older ...

Working through years’ worth of data from an old observational campaign, a team of astronomers have directly imaged a new ...

Webb Telescope detects an atmosphere on TOI-561 b, a scorching rocky planet once thought too small and hot to hold onto its ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...