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VideoGravitational waves detected, opening new era in astronomy
A century after Albert Einstein predicted their existence, gravitational waves have finally been detected, tiny ripples in the fabric of spacetime that were generated when two massive black holes crashed together in a space-warping cataclysm.
Apollo 14 moonwalker Edgar Mitchell dies at 85
Apollo astronaut Edgar Mitchell, the sixth man to walk on the moon, died Thursday night after a short illness, one day before the 45th anniversary of his landing in the hilly Fra Mauro region of the moon with crewmate Alan Shepard. He was 85.
Russians carry out spacewalk
Two veteran cosmonauts ventured outside the International Space Station Wednesday, swapped out materials science space exposure samples, installed handrails needed for future spacewalks and tested an applicator and thin-film coatings that could prove useful reconditioning aged or damaged hull panels.
VideoFamilies, NASA honor fallen astronauts
On the 30th anniversary of the Challenger disaster, crew families, friends and space workers gathered Thursday to remember the 17 men and women who lost their lives on the high frontier, 14 in two space shuttle disasters and three in an Apollo-era launch pad fire 49 years ago Wednesday.
Reporters remember Challenger coverage
Veteran CBS News correspondent Bruce Hall was not on the air when the shuttle Challenger blasted off 30 years ago Thursday. It was, after all, the 25th shuttle flight, the first of 16 planned for 1986, and news agencies were backing off expensive, remote coverage of what increasingly appeared to be a routine event.
Challenger remembered
Thirty years after the space shuttle Challenger disintegrated in the clear, cold sky high above Cape Canaveral, the commander's widow no longer feels anger at NASA and the management missteps and schedule pressure that kept the orbiters flying despite a fatal flaw in their solid-fuel boosters.
Spacewalk terminated due to spacesuit water leak
Flight controllers ordered two astronauts to terminate a spacewalk outside the International Space Station Friday after one of them reported a small amount of water leaking into his space helmet.
Astronauts to repair station electrical circuit on Friday spacewalk
Two space station astronauts are gearing up for a planned six-and-a-half-hour spacewalk Friday to replace a presumably shorted out solar array voltage regulator that knocked one of the lab's eight power channels out of action late last year.
Pluto’s floating mountains, intriguing structures fascinate scientists
Nearly six months after NASA's New Horizons probe zoomed past Pluto, just one quarter of the data stored on board has made its way back to waiting scientists, revealing a surprisingly varied terrain that includes glacial flows and steep mountains of frozen water floating in a "sea" of slush-like nitrogen ice.
SpaceX rocket landing applauded, but experts say implications TBD
The successful launch and landing by the first stage of a SpaceX Falcon 9 rocket Monday was a significant step toward achieving reusability and, eventually, lowering launch costs, but turning that success into operational reality poses a significant challenge for company founder Elon Musk.