The U.K. coastguard and local boatmen recovered a piece of metal from the sea off the Isles of Scilly in Britain. The debris is likely from the U.S. rocket SpaceX Falcon 9, which blew up after takeoff in June.
The new object is one of many dwarf planets orbiting at the edge of the solar system. This artist's conception shows the previous record-holder for distance, a dwarf planet called Eris.
The grooves on Mars' moon Phobos could be produced by tidal forces – the mutual gravitational pull of the planet and the moon, says NASA. The theory is the latest explanation for grooves that were once thought to result from the massive impact that caused the Stickney crater (lower right).
NASA/JPL-Caltech/University of Arizona
Extravehicular crewmember 2 (EV2) Terry Virts is reflected in the helmet visor of EV1 Barry Wilmore during Extravehicular Activity 29 (EVA 29). Earth is in the background.
Courtesy of NASA
This false-color image of Enceladus shows so-called "tiger stripes" across the moon's icy surface. Researchers believe the stripes are caused by an ocean beneath the ice.
NASA/JPL/Space Science Institute