Some astronomers believe the Sun may have formed with a twin billions of years ago. If true, the idea could help explain ...

The recent study suggests that the formation of Jupiter's immense gravitational forces played a pivotal role in creating these chondrules. As Jupiter's mass increased, its gravity disrupted the orbits ...

Jupiter's moons resemble little moons! Do they orbit in a regular pattern, similar to how the Moon orbits the Earth? Today, ...

Four and a half billion years ago Jupiter rapidly grew to its massive size. Its powerful gravitational pull disrupted the ...

The newfound satellite, only about six miles wide, becomes Uranus’ 29th known moon and orbits near the planet’s inner rings.

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Asteroid Bennu, sampled by NASA’s OSIRIS-REx mission in 2020, is a mixture of dust that formed in our solar system, organic matter from interstellar space, and pre-solar system stardust. Its unique ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

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

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

Asteroid Bennu—the target of NASA's OSIRIS-REx sample return mission, led by the University of Arizona—is a mixture of ...

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