Fingernail-sized satellites depart on Endeavor's last run

(PhysOrg.com) -- A group of Cornell-developed, fingernail-sized satellites may travel to Saturn within the next decade, and as they flutter down through its atmosphere, they will collect data about chemistry, radiation and ...

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 ...

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.

Mars rover Opportunity on walkabout near rim

NASA's senior Mars rover, Opportunity, is examining rocks at the edge of Endeavour Crater for signs that they may have been either transported by a flood or eroded in place by wind.

NASA's Mars rover Opportunity leaves 'Tribulation'

NASA's senior Mars rover, Opportunity, is departing "Cape Tribulation," a crater-rim segment it has explored since late 2014, southbound for its next destination, "Perseverance Valley."

Two Russians, one American blast off to ISS

Two Russian cosmonauts and a NASA astronaut soared into orbit in a Soyuz spacecraft Wednesday at the start of a two-day journey to the International Space Station.

Opportunity rover to explore Mars gully

NASA's Opportunity Mars rover will drive down a gully carved long ago by a fluid that might have been water, according to the latest plans for the 12-year-old mission. No Mars rover has done that before.

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