Our Solar System, like a sneaky little hobbit, seems to have stuffed its pockets full of hidden oceans. Jupiter, Saturn, Uranus, and Neptune all have moons astronomers think might be harboring liquid ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

New research on meteorites may finally hold the answers to why Earth and Mars suffer from a mysterious absence of specific ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly ...

Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Researchers found How Violent Events During Earth's Formation Led to the Scarcity of Moderately Volatile Elements (MVE) Like ...