Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

Thousands of planets have been discovered orbiting distant stars, but only a small fraction appear potentially habitable. Scientists evaluate these worlds based on factors such as size, temperature, ...

A small, round piece of asteroid Ryugu (sample #91), called “S-lunar,” contains tiny particles (less than 1 mm) that will allow planetary scientists to study the magnetic signature of the early solar ...

A big step in the exploration of other planets in our solar system is within reach as NASA makes a big announcement.

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...

A team of scientists has confirmed that the nearby star GJ 887 hosts at least four planets, one of which could be a habitable ...

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

The discovery of the fourth star was done through an algorithm called QUADCOR, which isolates the distinct spectral fingerprints of all four stars simultaneously. By detecting the individual signals, ...