TRAPPIST-1, the dwarf star with seven Earth-sized planets, is older than our solar system

This could be both good and bad for potential extraterrestrial life.

We really are made of star stuff: half of the atoms inside us come from intergalactic space

Aside from the romantic aspect, the study also offers an important scientific perspective.

NASA: We just can’t afford to land humans on Mars

Oh boy…

The sun likely has a lost twin called ‘Nemesis’, as do most stars like it

It sounds like the plot of a bad movie — but it’s just science.

Citizen scientists discover new cold star close to our solar system

In this day and age, everyone can be a scientist.

Latest results from Juno mission reveal massive surprises about Jupiter

Think you know Jupiter? Think again!

Scientists find water clouds and exotic, primitive atmosphere on a “warm Neptune”

We didn’t even know this kind of planet can exist.

Ancient carvings show comet struck Earth, triggering mini Ice Age

When you can correlate computer models of comets with carvings from 13 millennia ago — that’s got to feel good.

Jupiter has a massive cold spot as well

Jupiter’s Great Red spot has a new sister. Well… it’s not new, but we just found it.

Researchers discover atmosphere around an Earth-like planet

Can we get excited yet? Mmm no, not really.

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.