The images were taken with 170-second exposures using the WFC3 UVIS (F350LP) camera at a central wavelength of 0.5851 micron, ...

Saturn and Neptune will be in the same binocular view for the entire month. Neptune lies 3.5 degrees northeast of Saturn on ...

A (Galileo In-Orbit Validation Element-A for those who like their expansions) was launched, one of two demonstration ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Galileo Galilei, the renowned Italian astronomer and physicist, made groundbreaking contributions to science in the 16th and 17th centuries. His use of the telescope led to significant astronomical ...

Use telescopes and binoculars to observe a crescent moon, Jupiter as a 'Christmas star', star clusters and more — now is a great time to go night sky viewing.