President Barack Obama presents former NASA mathematician Katherine Johnson with the Presidential Medal of Freedom, as professional baseball player Willie…
An infrared view from NASA’s NEOWISE mission of the Oort cloud comet C/2006 W3 (Christensen).
Expedition 46/47 crew members report for their qualification exams Nov. 20.
Yuri Malenchenko responds to a reporters question Nov. 20 during final qualification exams.
Expedition 46/47 crew members pose for pictures at the start of their final qualification exam Nov. 20.
NASA is testing the spacesuits being developed for Orion on the agency’s C9 aircraft, which can fly a series of…
Saturn’s rings are so expansive that they often sneak into Cassini’s pictures of other bodies.
The springtime phytoplankton communities shown in this image were spotted between the Falkland Islands to the west and South Georgia…
The root of a dark matter hair produced from particles going through Jupiter’s core would be about 1 trillion times…
This artist’s rendering zooms in on what dark matter “hairs” might look like around Earth.