Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, ...

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

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

Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

NASA's telescopes have captured detailed observations of interstellar object 3I/ATLAS, confirming it as a natural comet rich ...

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 ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...

Thanks to new measurements of very old meteorites, the current consensus on the Solar System's age is 4.5684 billion years old, with an uncertainty of 240,000 years—a tiny fraction of a percent.

How many moons could there be in total? There are more than 900 known natural satellites in the solar system. However, as we have seen, this number is likely to grow significantly in the future.