The International Space Station has been in orbit for more than 25 years. Here's how to regularly spot the outpost from Earth ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to ...

Astronomers have gotten their clearest look yet at the surface of an exoplanet - a planet beyond our solar system - ​thanks ...

A round trip from Earth to Mars takes about three years. New research suggests a potential shortcut to Mars, inspired by an asteroid's orbital path, that would reduce the journey to as little as 153 ...

The European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) have signed a Memorandum of Cooperation to ...

A bright waning gibbous moon may wash out this week's Eta Aquarid meteor shower peak — but early risers could still catch a ...

A rocky planet nearly 50 light-years away appears to be airless, dark, and covered in volcanic or weathered rock, according ...

How and when you'll be able to see the International Space Station in Michigan skies.

A nearby “super-Earth” is giving scientists a rare look at the bare surface of a distant world, and it’s far from Earth-like.

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...