Stargazers will see a thin crescent moon rise near Venus and Regulus in the pre-dawn sky, with an occultation visible in ...

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 ...

Don’t miss seeing Saturn and its rings on September 21 — a view that won’t be visible again until 2040.

Because of the sun's positioning in the days just before, during and after the equinox, those looking down east-west roads in Chicago and the suburbs will be able to see the sun framed by much of the ...

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

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 ...

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 ...

The crescent moon aligned with Venus and the bright star Regulus on September 19, creating a rare celestial conjunction in the morning sky. Viewers in the Northern Hemisphere can still spot the trio ...

September will have a trio celestial conjunction. Here's how to see the moon and Venus together in Arizona and upcoming alignments.

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

The bottom half of the world, known as the Southern Hemisphere, is about to be treated to a partial solar eclipse that won't be visible in the US.

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 ...