Astronomers Release the Largest Ever Three-Dimensional Map of the Sky

This is a still image from a video fly-through of the SDSS-III galaxies mapped in Data Release 9.
NASA's Curiosity Rover Caught in the Act of Landing

NASA's Curiosity rover and its parachute were spotted by NASA's Mars Reconnaissance Orbiter as Curiosity descended to...
ESA spacecraft records crucial NASA signals from Mars

Curiosity's first view of Mars
NASA Lands Car-Size Rover Beside Martian Mountain
NASA's most advanced Mars rover Curiosity has landed on the Red Planet. The one-ton rover, hanging by ropes from a rocket backpack, touched down onto Mars Sunday to end a 36-week flight and begin a two-year investigation.
Mars Tugging on Approaching NASA Rover Curiosity

Tackling the Challenge of Mars
This artist's scoreboard displays a fictional game between Mars and Earth, with...
Signs Changing Fast for Voyager at Solar System Edge

This artist's concept shows NASA's two Voyager spacecraft exploring a turbulent region of space known as the heliosheath...
NASA Investigates Proton Radiation Effects on Cells
A team of researchers at NASA's Johnson Space Center in Houston and Lawrence Berkeley National Laboratory in Berkeley, Calif., has found radiation from protons could further enhance a process that occurs during tumor progression. This information may...
What to Expect When Curiosity Starts Snapping Pictures

Seventeen Cameras on Curiosity
This graphic shows the locations of the cameras on NASA's...