When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. From the earliest artificial satellites to today's sophisticated space telescopes and GPS ...

A Dartmouth-led survey identified more than 300 candidate satellite galaxies orbiting low-mass star systems known as dwarf galaxies. Pictured are possible satellites around the dwarf galaxy ESO486-G21 ...

On Wednesday, three NASA astronomers released an analysis showing that several planned orbital telescopes would see their images criss-crossed by planned satellite constellations, such as a fully ...

One of the most important satellite launches of all time was that of Sputnik. When the Soviet satellite became the first man-made satellite to orbit Earth on October 4, 1957, space must have seemed ...

We usually think of satellites as small objects orbiting planets or stars. But in the broader universe, galaxies themselves can have satellites—smaller galaxies bound by gravity that orbit a larger ...

"This successful test marks a major step forward in the development of future satellite control systems." For the first time, researchers have controlled the orientation of a satellite in space using ...