Two more space rocks are expected to do a flyby of Earth over the weekend. On August 23, a plane-sized asteroid known as 2025 ...

Rich with detail, the spiral galaxy NGC 1309 shines in this NASA/ESA Hubble Space Telescope image. NGC 1309 is about 100 million light-years away in the constellation Eridanus.

Hubble observations showed that in this case, the supernova did not destroy the white dwarf completely, leaving behind a 'zombie star' that shone even brighter than it did before the explosion.