The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

The Solar System consists of our star, the Sun, and everything bound to it by gravity; the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like ...

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ...

SETI’s senior astronomer explains how colossal artifacts could be the key to finding extraterrestrial life, past or present.

"Curiously, studies have found that several of the Andromeda Galaxy’s dwarf galaxies, including Andromeda III, orbit in a flat plane around the galaxy, like the planets in our solar system orbit ...