The Origins of Water Ice on Mercury

Who would expect water on the nearest planet to the Sun?

How to find constellations: a starter’s guide

You’ll never know what’s written in the stars for you if you can’t read them.

NASA satellite spots mile-long iceberg breaking off from Antarctic glacier

NASA’s satellites witnessed the dramatic breaking of the iceberg.

You can search for your own exoplanets — Researchers make huge dataset available

The search for extraterrestrial life is about to get some new recruits — us.

Hubble Telescope maps Voyager’s road trip

As Voyager continues to go where no other mission has gone before, it receives a bit of help from the Hubble Telescope.

Rubies and sapphires rain down on huge planet

Still a hellish planet, but a beautiful hellish planet at that.

NASA’s Cassini spacecraft to finally reach Saturn’s rings

The Cassini spacecraft, which has already had a helluva ride, is preparing for an exciting stage: studying Saturn’s rings.

Astronomers discover deep valley on Mercury formed through Earth-like processes

Mercury, one of the most hellish places in the Solar System, is shrinking.

Curiosity finds weird metallic meteorite on Mars

While taking its usual stroll on Mars, the Curiosity Rover found something unexpected: a dark, smooth meteorite.

Astronomers may have just discovered two new moons around Uranus

Two dark shapes discovered around Uranus.