Our satellite stands as the apex of a triangle with two outer planets — Saturn and Neptune — in the early-morning sky.

SpaceX flies its Transporter 17 rideshare mission, while China's Long March 10B and India's Skyroot Aerospace attempt debut ...

Launched on July 3, NASA's Swift Boost mission aims to save the agency's Neil Gehrels Swift Observatory from a decaying orbit ...

Spread across a large swath of sky, the Coma Star Cluster is visible this evening for several hours after sunset, gorgeous in ...

Several of Saturn’s moons are on view this morning, including its brightest satellite, Titan, along with Dione, Tethys, Rhea, ...

Isaac Newton‘s monumental book, Philosophiae Naturalis Principia Mathematica, was published July 5, 1687. Newton had developed the foundational ideas for the work as early as 1666, when an outbreak of ...

The Red Planet meets the distant ice giant Uranus in the constellation Taurus, visible together in any optics early this ...

The center of the Milky Way stands above the southern horizon late at night in early July, just above the Teapot asterism in Sagittarius.

Check out two conjunctions, the Last Quarter Moon, multiple asteroids at opposition, and more in the sky this week.

Space Race pioneer Andriyan Grigoryevich Nikolayev died July 3, 2004, in Cheboksary, Russia. Even among the first group of Soviet cosmonauts selected, he was considered elite, a member of the ...

The Wizard Nebula is a dim gas cloud surrounding a bright cluster of young stars, located within the bounds of Cepheus the ...