Uranus' new moon, S/2025 U1, was discovered in February 2025 and is approximately 6 miles in diameter, orbiting Uranus at a ...

Prior to flybys, scientists used mathematical laws and observation to determine the characteristics of the planets.

NASA’s James Webb Space Telescope has detected a previously unknown moon orbiting Uranus, the agency confirmed Tuesday. The ...

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...

The 60-meter asteroid 2024 YR4 has a 4 percent chance of hitting the moon. Could such a lunar collision create a dangerous ...

Astronomers find a new moon orbiting Uranus, boosting its known satellites to 29 using the James Webb Space Telescope.

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.

For a brief few weeks in early 2025, astronomers were worried about the asteroid 2024 YR4. Discovered in late 2024 by an ...

A team led by scientists at the Southwest Research Institute (SwRI) in Colorado made 10 different 40-minute exposures of ...

If our moon were replaced by each planet in the solar system, Venus would create the most striking view in our night sky.

A white dwarf has about half the mass of the Sun, but that mass is compressed into a volume roughly the size ... deform a planet, and the friction causes the material being deformed to heat up. An ...

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