This Hubble Space Telescope image shows a star known as R Sculptoris, located 1,500 light-years from Earth, in the constellation of Sculptor. The black region at the centre of the image has been artificially masked. ESA/NASA hide caption

itoggle caption ESA/NASA

The star in the center, as seen by the Hubble Space Telescope, is known as V1331 Cyg and is located in the dark cloud LDN 981. Karl Stapelfe/ESA/Hubble, NASA hide caption

itoggle caption Karl Stapelfe/ESA/Hubble, NASA

A view of a phytoplankton bloom near Alaska's Pribilof Islands. The milky green and light blue shading of the water indicates the presence of vast populations of microscopic phytoplankton. NASA hide caption

itoggle caption NASA

The Horsehead Nebula, as seen with infrared light, shows clouds surrounding it have already dissipated. The Horsehead formation has about 5 million years left before it, too, disintegrates. NASA/ESA hide caption

itoggle caption NASA/ESA

Declared and potential candidates are already in New Hampshire. Former Florida Gov. Jeb Bush and others spoke at the First in the Nation Republican Leadership Summit this week in Nashua. Darren McCollester/Getty Images hide caption

itoggle caption Darren McCollester/Getty Images

Scott Skiles, 61, and his son Zach Skiles, 32, had never sat down to talk about Zach's life after his deployment to Iraq --until their recent StoryCorps interview. StoryCorps hide caption

itoggle caption StoryCorps