Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

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

In 2020, the Hayabusa2 uncrewed spacecraft successfully returned small fragments from the near-Earth asteroid Ryugu, ...

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

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

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

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

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

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

A likely comet known as 3I/ATLAS made news earlier in July when it was confirmed to have originated outside Earth's solar system, which makes it just one of three known interstellar objects ever ...

It is our home in the cosmos. The Solar System's only star, which we call the Sun, plays a role in nearly every aspect of our cosmic neighborhood. The 8 planets, including Earth, all revolve around ...

To find evidence for comets outside Earth’s solar system (called “exocomets”), astronomers turned to two facilities that detect particular bands of radio waves. Because of the size of the dust and ...