There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

If you look eastward at the same hour for two nights in a row, you’ll find that the stars seem to be in the same place. But ...

Moons orbiting free-floating planets that wander the cosmos without a host star could sustain extraterrestrial life for billions of years ...

Apollo astronauts reached speeds exceeding 24,000 miles per hour on their way to the Moon, driven by a rocket that remains the most powerful ever flown. The Saturn V, standing 363 feet tall and ...

As its name suggests, Artemis 2 will be the second mission of NASA's Artemis program — but it's the first to fly a crew ...

According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

Scientists simulated an asteroid impact, and Deinococcus radiodurans’ cell membranes made it through. This suggests that life ...

The possibility that a huge space rock — once deemed the riskiest asteroid ever observed — could hit the moon now appears to ...

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts and history-making discoverers, and jetting above the c ...

NASA's DART mission launched from California changed not just the orbit of Dimorphos, the asteroid it hit, but the larger ...