Stars

Using a simple film camera, astronomer Bill Livingston photographed satellites that hover above the equator.

Gaze upon halos of light, streams of interstellar gas, and nearby Earthlike planets this month.

Peer into the past and predict the future with the stars this month.

Spring has sprung: Interstellar edition.

Space salt, Martian clay, and unexpected X-rays feature in this month's slideshow.

Planets closely orbiting red dwarf stars may have dynamic tectonic plates, making them more life-friendly than previously thought.

The dragon's large belly holds clues about how stars form -- and how the process stops.

We look back in space-time this month to herald a new year.

An assortment of twinkling images of space, stars and spacecrafts.

View new pictures of Mars, the last picture of the dwarf planet Ceres and images of the brightest galaxy in the universe.

Researchers calculate all the photons ever emitted by the observable universe and find an astronomical number.

Mysterious dark matter particles may be blowing past Earth at 1.8 million kilometers per hour.