A newly detected planet beyond Pluto is not just expanding our understanding of the Solar System, it might be quietly rewriting it. Astronomers from the University of Taiwan recen ...

After months of tracking and refining Asteroid 2024 YR4's orbit, NASA scientists were able to rule out an Earth strike. There's no real risk to the planet in seven years or afterward, according to the ...

Every single organism on Earth, no matter the biome, the kingdom, the domain, whether it's an extremophile in a hot spring or ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

New research suggests that our entire solar system is vulnerable to being thrown into chaos by a distant star.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

A computer simulation predicts that the Rubin Observatory will discover millions of previously undetected objects in the ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...