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

From planets that rain diamonds to moons with hidden oceans, the Solar System holds more mysteries than most realize. These ...

For astrobiologists, the search for life beyond our solar system could be likened to where one would look in a vast ...

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 ...

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

NASA's Mars Reconnaissance Orbiter recently photographed Candor Chasma in Mars' Valles Marineris, the largest canyon in the ...

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

The OSIRIS-REx mission, which delivered over 120 grams (4.2 ounces) of Bennu ’s soil to Earth in 2023, is the largest haul of ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

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

The solar system’s denouement is still a subject of debate among scientists. Exactly how far the dying sun will expand, and how conditions will change, aren’t yet clear. But a few things seem likely.