Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

Imagine the effects if each planet in the solar system replaced our Moon. Enough Senate Democrats vote with Republicans to ...

Our Moon is slowly drifting away from Earth, not just due to tidal friction as previously thought. New research suggests ancient planetary impacts and ...

Miranda, a small moon of Uranus, hides a feature so extreme that it defies most Earth-bound comparisons. Verona Rupes, a ...

Uranus is the only planet that rotates sideways with a 98-degree tilt. Learn why Uranus spins this way, how its seasons last ...

For North America, the best time to look will be before dawn on Tuesday, Nov. 18. Probably the most famous of the annual ...

How many times have you said, “I wish the days were longer”? Well, NASA scientists say the construction of China’s Three ...

DayZ and Kerbal Space Program's creators have joined forces with an ex-SpaceX engineer to create the ultimate spaceflight ...

Space mining is not yet a reality, but private companies and governments are increasingly turning their attention to it as a ...

Through a vast ocean, Jupiter's moon Europa is an exciting target for research in the search for life. Two space probes are ...

The US wants to put a nuclear reactor on the moon by 2030, five years ahead of Russia and China’s plans to do the same.

Collecting meteorites on Earth is often described as the cheapest form of space exploration. Scientists now have over five ...