Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

NASA has confirmed the discovery of a mysterious new planet beyond Neptune, shaking up our understanding of the outer reaches ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home. Alpha Centauri is the star system ...

Scientists discovered tiny jets on the Sun that power both fast and slow solar wind. These jets eject particles and shape ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision. But their proximity also offers ample opportunities to learn more about the ...

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet ... could reshape our understanding of the Earth-Moon system and the broader solar system.

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...