Mars Rover Opportunity Breaks US Record for Off-Planet Driving
Opportunity passed the Apollo 17 moon buggy, which covered 22.21 miles back in 1972.
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How to Send a Haiku to Mars on NASA Spacecraft
Only three poems will be selected to ride on the Maven orbiter, which is slated to launch in November.
8 Scientists Named to TIME's 100 Influential People List
Honorees include leaders in medicine and spaceflight.
Water on Earth and Moon May Have Same Source
The water may have arrived before the moon formed.
Mars Rover Curiosity Gears Up for Epic Drive and Drilling
Curiosity should drill another rock within the next week or two.
Mars Rover Curiosity to Drill Into Bumpy 'Cumberland' Rock
Mission scientists want to confirm the exciting results from the rover's first drilling operation.
Mars Rover Opportunity Back in Action After Glitch
The nine-year-old robot has resumed science operations on the Red Planet.
Mars Rover Opportunity Slips Into Standby Mode, NASA Says
The robot's handlers have prepared commands designed to get things back to normal.
On Mars, Curiosity Rover Back at Work After 'Spring Break'
Curiosity's month of freedom on the Red Planet is over.
Hubble Telescope Photographs Potential 'Comet of the Century'
Hubble snapped the new photos on April 10, when Comet ISON was 386 million miles from the sun.