Ellen Stofan saw her first rocket launch when she was 4 years old. Now, more than 50 years later, she's director of the National Air and Space Museum — the first woman to hold the position.
Amanda Edwards/Getty Images for Discovery
A 2014 photo shows coral on Australia's Great Barrier Reef. The Australian government is dedicating hundreds of millions of dollars to protecting and researching the reef.
William West/AFP/Getty Images
U.S. Marines fire the Carl Gustav rocket system during live-fire training last October. With each firing, the shooter's brain is exposed to pulses of high pressure air emanating from the explosion that travel faster than the speed of sound.
Sgt. Aaron Patterson/3rd Marine Division/DVIDS
Joseph James DeAngelo, who authorities suspect is the so-called Golden State Killer responsible for at least a dozen murders, is arraigned in Sacramento, Calif., on Friday.
"Bee health remains of paramount importance for me," said the EU's Commissioner for Health and Food Safety, after the EU moved to ban neonicotinoid insecticides everywhere except greenhouses. Here, a bee hovers near a peach flower.
Lorena Bradford (left), head of accessible programs at the National Gallery of Art in Washington, D.C., leads a session of the museum's Just Us program. The program gives adults with memory loss and their caregivers a chance to explore and discuss works of art in a small-group setting.
EPA Administrator Scott Pruitt, accompanied by EPA Chief Financial Officer Holly Greaves, testifies before a House Energy and Commerce subcommittee on Capitol Hill on Thursday.