Look out below! NASA's MESSENGER spacecraft is at its lowest altitude of any spacecraft above Mercury, and over the next…
GODDARD SPACE FLIGHT CENTER, MD - The huge Sunshield test unit for NASA's James Webb Space Telescope (JWST) has been…
If you spent 120 days cooped up in a small habitat with six people, what's the first thing you'd want…
From his perch aboard the International Space Station, Alexander Gerst took this photo this week and said he could spot…
Remember during the government shutdown when it looked as though a NASA Mars mission would be delayed? Launch preparations continued…
Apollo 11 Comes Home The Apollo 11 crew await pickup by a helicopter from the USS Hornet, prime recovery ship…
Rosetta's "rubber duckie" comet appears to be wearing a collar! New images of Comet 67P/Churyumov-Gerasimenko from the spacecraft, which is…
The winged Dream Chaser mini-shuttle under development by Sierra Nevada Corp. (SNC) has successfully completed a series of risk reduction…
We've got vertigo watching this video, but in a good way! This is a sped-up view of Earth from the…
45 years ago on July 20, 1969, NASA astronaut and Apollo 11 Commander Neil Armstrong became the first human being…