The United States and United Kingdom have carried out their first co-ordinated satellite manoeuvre in orbit, in what defence ...

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

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

France’s top military space official has warned of intensifying "hostile or unfriendly" activity in space, particularly by ...

Greenhouse gases are shrinking the space available for satellites orbiting Earth. This could lead to collisions in space and shrink the area available for satellites to orbit by as much as 66%. Watch ...

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 start of the fall season for the Northern Hemisphere and the spring in ...

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 ...

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

CALIFORNIA — The four-person civilian Fram2 mission returned home in a splash down off the coast of California on Friday after being the first humans to orbit Earth's polar regions. Riding in SpaceX’s ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases ...