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

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

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 ...

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 ...

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 ...

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Just before sunrise, the waning crescent moon, the brilliant planet Venus, and Regulus, the brightest star in the ...

As of Friday, Sept. 19, the moon phase is Waning Crescent, and it is 5% lit up to us on Earth, according to NASA's Daily Moon ...

Partial eclipses often happen multiple times per year and are more common than total eclipses. The most recent partial solar ...

Look east before dawn for a celestial smile: a slim crescent Moon, dazzling Venus, and the bright star Regulus will bunch together in a rare “triple play” that’s visible to the naked eye.On Friday, ...