To date, humanity has discovered over 6,200 confirmed exoplanets, or planets outside of our solar system, according to NASA's ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...

For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary family. I’m not talking about reviving Pluto’s status, but about a potential ...

The potential planets were detected using data from NASA's Transiting Exoplanet Survey Satellite.

A new solar telescope at Paranal studies the Sun to reduce stellar noise, helping scientists better detect and study ...

A rocky planet nearly 50 light-years away appears to be airless, dark, and covered in volcanic or weathered rock, according ...

Rogue planets sound like rare travelers among the stars, freed from the gravitational constraints of a host system, left to ...

These images, taken with the European Southern Observatory's Very Large Telescope (VLT) shows a planetary system being born around the young star WISPIT 2. The star is surrounded by a disc of gas and ...