Six things to know about NASA's Opportunity Mars rover

After 15 years, the mission of NASA's Opportunity rover has come to an end, but its successes on Mars have earned it a spot in the robot hall of fame. Here's what you need to know about our intrepid Martian overachiever:

The 'camera that saved Hubble' turns 25

Twenty-five years ago this week, NASA held its collective breath as seven astronauts on space shuttle Endeavour caught up with the Hubble Space Telescope 353 miles (568 kilometers) above Earth. Their mission: to fix a devastating ...

Atlanta: A launchpad for dreams

A young Eric Boe, not even 5 years old, was awestruck while watching grainy images of two American astronauts in bulky spacesuits bounce around on another celestial body.

Solar-powered rover approaching 5,000th Martian dawn

The sun will rise on NASA's solar-powered Mars rover Opportunity for the 5,000th time on Saturday, sending rays of energy to a golf-cart-size robotic field geologist that continues to provide revelations about the Red Planet.

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