A Saturday night out, 260 miles above London

NASA astronaut Terry Virts captured this stunning image of the United Kingdom, Ireland and Scandinavia on a moonlit night beneath an amazing curtain of aurora.

An instrument aboard the International Space Station has detected a binary star system made up of a fast-spinning pulsar and a compact white dwarf that orbit each other every 38 minutes, a record for an accreting millisecond X-ray pulsar.

Using a wide-angle lens, an astronaut aboard the International Space Station captured a dramatic near-cloudless view of north Africa and the Middle East.