Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Asteroid 2025 KF is set fly very close to the Earth this Wednesday, according to NASA. Its size is comparable to 12 and a half fully grown gorillas. An asteroid the size of 12 and a half fully ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

Astronomers have identified a cluster of giant asteroids sharing Venus's orbit, posing a potential long-term threat to Earth ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be fair—but one of the largest yet discovered and with an orbit around the Sun that ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...