Phoenix Mars Lander site taken down and put back up after hack attempts, including one that redirected visitors to overseas site.
NASA photos show off the "footprint" made the first day the lander's robotic arm touches touch Mars.
Free playlist: Earth To Mars
First images to arrive from Mars show the Red Planet's pebbly surface and that the lander's solar panels unfolded as planned.
The Phoenix Mars Lander should soon be providing new data on water and climate, now that it has survived the harrowing descent to the Red Planet.
Need an "e-flux capacitor" for your calendar, anyone? Also, Project Virgle has some fun with Richard Branson's space-adventure dreams.
Scientists behind the solar-powered robots say they planned to retire Spirit and Opportunity amid budget cuts. A day later, NASA quashes that idea.
This photo gallery originally misstated the location of the geysers the Cassini space probe will pass through. The geysers exist on Enceladus, one of Saturn's moons.
A clarification to another caption was made to better describe the way in whic
Two engineering graduate students set up camp in Utah's desert to live like astronauts for two weeks.
A Russian scientist says that his country is closer than any other in the race to land a human on Mars.