For eons, our solar system has been a relatively stable environment, with planets orbiting the Sun in predictable paths. However, the vastness of space means that occasionally, other stars come close ...

On October 3, 3I/ATLAS passed within 29 million kilometers of Mars, where it was photographed by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter — a rare observation of an interstellar ...

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 ...

Have you ever wondered where we came from? Not just our species, but the entire solar system? The truth is, we don't really know. But by learning about our distant neighbors, scientists hope we can ...

A new photocatalyst splits water while avoiding the use of any precious metals in the catalyst. About that solar system... sounds pretty interesting. Quantum dots you say? Are those even feasible ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

This is the third time an object from outside the solar system has been found. An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." Astronomers have discovered a massive new solar system body located ...