A robotic sub found an underwater mountain range beneath Pine Island Glacier. British Antarctic Survey hide caption

itoggle caption British Antarctic Survey

An oiled white ibis lands on an island in Barataria Bay off the coast of Louisiana June 8. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

Six men will enter a fake interplanetary spaceship in Moscow, close the hatch, and then live inside it for more than 500 days. S. Corvaja/ESA hide caption

itoggle caption S. Corvaja/ESA

Falcon 9 flight hardware goes through final integration at SpaceX's Cape Canaveral launch site in Florida. SpaceX hide caption

itoggle caption SpaceX

At Launch Pad 39A at NASA's Kennedy Space Center in Florida, a technician performs a final check of space shuttle Atlantis' payload bay doors before they are closed for launch. Cory Huston/NASA hide caption

itoggle caption Cory Huston/NASA

Space shuttle Atlantis awaits blastoff on its launch pad as members of the media set up remote cameras for Friday's scheduled launch from Kennedy Space Center in Florida to the International Space Station. Matt Stroshane/Getty Images hide caption

itoggle caption Matt Stroshane/Getty Images

In the study, people who washed their hands after making a tough choice seemed less worried about it. iStockphoto.com hide caption

itoggle caption iStockphoto.com

This illustration shows the asteroid 24 Themis flanked by two small fragments that broke off following a crash more than 1 billion years ago. The bottom fragment's cometlike tail comes from the sublimation of ice from its surface. Gabriel Perez, Servicio MultiMedia, Instituto de Astrofisica de Canarias, Tenerife, Spain hide caption

itoggle caption Gabriel Perez, Servicio MultiMedia, Instituto de Astrofisica de Canarias, Tenerife, Spain

This newly released image from Hubble shows scorching radiation and fast winds from super-hot newborn stars are shaping this pillar of gas and dust. This stellar nursery is called the Carina Nebula and located 7,500 light-years away. NASA hide caption

itoggle caption NASA

In the study, miniature GPS loggers weighing just 16 grams were fitted into custom-made backpacks carried by flocks of up to 10 homing pigeons. Courtesy of Zsuzsa Akos hide caption

itoggle caption Courtesy of Zsuzsa Akos