Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

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

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

A potential record-breaking exoplanet system, traveling at 1.2M mph, may be the first of its kind ever identified.

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

This artist's concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy.

Launched in 1990, the Hubble Space Telescope is a joint ESA/NASA project. It has become one of the most important science ...

The authority emphasized that numerous homebuyers, having invested their life savings and taken bank loans, are yet to ...

On Feb. 1, Venus will meet with Neptune for a mystical dance in none other than dreamy Pisces, a zodiac sign where the love planet exalts and Neptune feels right at home. This cosmic pairing ...