The Solar System is a vast and mysterious realm, filled with planets, moons, asteroids, and icy bodies waiting to be ...

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

Ammonite was discovered using the Subaru Telescope in Hawaii, with follow-up confirmation from the Canada-France-Hawaii ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

According to a pair of scientists at Caltech, there may actually be nine planets in the Solar System after all. There's good news for those who were annoyed when Pluto was knocked off the list of ...

The modern solar system spins serenely, the planets locked in seemingly eternal circles around the sun. But it wasn’t always so. This tranquility appears to have emerged only after a ...

Other hypotheses about solar system monsters have come and gone. There was Vulcan, an intra-Mercurial planet, thought to exist in the late 19th century (and briefly revived based on flawed ...

Seeing the Solar System all in one night is a real eye-opener, but some of the planets aren’t easy to find. However, at least five of them are fairly straightforward, and that’s not a bad haul ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.