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

The odd nature of 3I/ATLAS led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything that ...

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant origin ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

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

Alien hunting Harvard astronomer Avi Loeb continues to rail against the idea that our newest interstellar is merely a comet.

NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...

"The Earth could be moved away from its orbit through the action of a massive interstellar object, flying through interstellar space and coming into the solar system and passing close to the Earth ...

Some of the most basic building blocks of the solar system are missing from one of its most dangerous asteroids.

The ambitious mission to retrieve samples from asteroid Bennu and return them to Earth is paying off. Just as scientists had hoped, the asteroid is revealing details about the early days of our solar ...

The solar system is made up of the Earth, the sun and the rest of the planets. Within the system, the planets rotate around the sun in an anticlockwise direction.