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

Titan's shadow will fall on Saturn in the early hours of Sept. 20, one day before the world shines at opposition in Earth's ...

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

In a speech at the AMOS conference the day after the telescope tour, Saltzman said the Space Force is “honored to be ...

See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / time-lapsed by Space.com's Steve Spaleta Music: Kepler's Hope by Year of th ...

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 ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be ...

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...

The period known as "cosmic noon," which took place roughly 2 to 3 billion years after the Big Bang, was characterized by the rapid formation of new stars and planetary systems. Naturally, objects ...

Another SpaceX Falcon 9 rocket is due to launch from California and should be easy to see from many locations near the ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...