The Earth's atmosphere has four primary layers: the troposphere, stratosphere, mesosphere, and thermosphere.
On Jan. 27, 1967, veteran astronaut Gus Grissom, first American spacewalker Ed White and rookie Roger Chaffee (left-to-right) were preparing…
JSC2013-E-007020 (18 Jan. 2013) -- Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (left), Expedition 38 flight engineer and Expedition…
APOD Science APOD APOD: 2013 January 25 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
The gas generator from an F-1 engine is test-fired at the Marshall Space Flight Center in Huntsville, Ala., on Jan.…
The ring-region Saturnian moons Prometheus and Pan are both caught "herding" their respective rings in this image. Through their gravitational…
Inside the Astrotech payload processing facility near NASA's Kennedy Space Center in Florida, the Tracking and Data Relay Satellite, TDRS-K,…
APOD Science APOD APOD: 2013 January 24 – ISS… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
Nearly 200,000 light-years from Earth, the Large Magellanic Cloud, a satellite galaxy of the Milky Way, floats in space, in…
The Sun has a conveyor belt, called the meridional plasma flow, in which plasma flows along the surface toward the…
