NASA announced the 2025 class of astronauts, and it includes someone who already is a record-breaking astronaut.

"We are now, with our allies, conducting advanced orbital operations to protect and defend our shared national and military ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get ...

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...