The mound in the center of this Mars Reconnaissance Orbiter image appears to have blocked the path of the dunes…
Astronauts practiced mating the Gemini capsule with the black and white target vehicle to simulate lunar orbit missions.
Fires dot the landscape across Eastern Europe in this Suomi NPP satellite image taken by its Visible Infrared Imaging Radiometer…
Individual video frames of the May 2, 2006 lunar impact flash as observed from the Automated Lunar and Meteor Observatory…
This drawing superimposed on an image of the moon illustrates the field of view (FOV) of a telescope used to…
Simultaneous observations of the moon are performed using two telescopes in order to rule out flashes from noise and satellites.
Flight Engineer Thomas Pesquet of ESA is seen floating outside the International Space Station during a spacewalk. Pesquet and Expedition…
The Suomi NPP satellite's Visible Infrared Imaging Radiometer Suite (VIIRS) instrument captured a look at dozens and dozens of fires…
On May 25, 1961, president John F. Kennedy announced that the United States would commit to a lunar landing by…
This optical image shows the Was 49 system, which consists of a large disk galaxy, Was 49a, merging with a…