The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

That's one of the next major milestones in Starship's development after achieving orbital flight. SpaceX will attempt to ...

An exclusive look at a Space Force training exercise offered rare insights into how the secretive branch is preparing to ...

Is it a full moon tonight? Wondering what is the planet and bright star shining next to the moon? Here's what to know and how to see it.

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see it.

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

This weekend's September new moon will rise amid a partial solar eclipse, giving way to the autumnal equinox. Here's when, where it will be visible ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox marks ...

The next full moon will be the largest and brightest full moon of the year - the October 2025 harvest supermoon. Here's what to know and when to watch ...

OSIRIS-REx was designed for a straightforward sample mission, but Bennu had other plans. Instead of a smooth surface, NASA ...