For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... TOI-1453: Sub-Neptune in System of ...

The Kuiper Belt is a region in space beyond the orbit of Neptune that's home to Pluto and most of the known dwarf planets, as well as some comets that are thought to be relics of the solar system ...

Astrology deciphers the unique energies and influences of planets on human lives. Luminaries like the Sun and Moon shape core ...