Researchers at the University of Colorado Boulder are helping to lead planning efforts for NASA’s next major space telescope ...

There's a six-planet parade on Monday, Aug. 25, just before dawn. Saturn, Jupiter and bright Venus will dominate the scene, with Mercury putting in a fleeting appearance ...

Researchers suggest gas giants might gather dark matter until their cores collapse into planet-sized black holes.

Uranus, the seventh planet from the Sun, is an enigmatic world that has perplexed astronomers with its extreme axial tilt of ...

NASA’s James Webb Space Telescope has uncovered a small moon quietly circling Uranus, a world already known for its unusual ...

The discovery expands Uranus’s known family of satellites to 29, with the tiny moon measuring just 6 miles across.

Researchers show that planetary alignments make Earth’s strongest space signals easiest for alien civilizations to detect.

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

Like Uranus's other 28 moons, the newfound object spotted by JWST will be named after a William Shakespeare or Alexander Pope character.

There’s probably a lot more of them and we just need to keep looking,” planetary scientist Matthew Tiscareno said.

The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to 29 — and more likely remain undiscovered.