Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf ...

In its youth, the dwarf planet Ceres may have brewed a chemical banquet beneath its icy crust.

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...