The Fermi Gamma-ray Space Telescope traces the plot of the Vela Pulsar.
Last year was the ninth-warmest on record. Nine of the 10 warmest years have occurred since 2000.
NASA's Hubble Telescope captures Centaurus A, an elliptical galaxy more than 11 million light years away.
Commander Dan Burbank said the comet was "the most amazing thing I have ever seen in space."
Because nothing says Merry Christmas like fiber optics
The first global image from NASA's VIIRS shows what the Earth looked like from 512 miles above on November 24th
For instruments near Earth, such as Hubble, this galaxy appears at just the right angle for capturing its gigantic swirl
An image of the Korean peninsula, Japan, and China helps to illustrate how news of Kim Jong-Il's death took two days to come to light
A stunning image from NASA's Hubble shows the birth of a star with a mass 15 times that of our sun's, and 10,000 times as bright
When the crews of Gemini VI-A and Gemini VII met up in orbit around the Earth, they shared a bit of Christmas cheer
Today marks the 100th anniversary of the arrival of Roald Amundsen's team of Norwegians at the South Pole
An artist makes maps using images from Google Earth, with everything but the people removed
Johan Blaeu's Grand Atlas shows one of Tyco Brahe's designs for a tool that could measure the orbits of planets
Pictures of a mineral vein, believed to be gypsum, tell "a slam-dunk story that water flowed" through Martian rock
Eli Whitney was born on this day in 1765. His cotton gin fueled the growth of the cotton industry, and slavery alongside it.
Six astronauts show off their behinds while taking a break from flying the X-15, a spaceplane that set records for speed
NASA confirmed the discovery of an Earth-size planet, orbiting a star at a distance where liquid water could exist
Images from NASA's Dawn spacecraft show evidence of large landslides on the steep cliffs of one of the biggest known asteroids
On December 19, 1972, the last three people to ever set foot on the moon, arrived back on Earth, landing safely in the Pacific Ocean
Toyota presents a new concept car whose exterior is a screen that users can tailor to their mood