Add Yahoo as a preferred source to see more of our stories on Google. The Earth will soon have a second mini-moon this fall. A newly discovered asteroid will orbit the planet starting in late ...

Add Yahoo as a preferred source to see more of our stories on Google. There's a lot less sky and a lot more moon in view for Firefly Aerospace's "Ghost Riders in the Sky" mission. Firefly's lunar ...

After a four and a half day journey from the Earth, the Lunar Reconnaissance Orbiter, or LRO, has successfully entered orbit around the moon. Engineers at NASA’s Goddard Space Flight Center in ...

The Moon is moving away from the Earth at a measurable rate, subtly stretching the length of our days and reshaping the balance of the planet. What seems like a stable celestial dance is, in reality, ...

Venus may have once had a moon, but new research suggests the planet’s incredibly slow rotation could have doomed it. Computer simulations showed that instead of gradually drifting away like Earth’s ...