December 18, 2017

Live coverage: Cygnus supply ship readied for station departure

December 5, 2017

After a 22-day stay at the International Space Station, an Orbital ATK Cygnus supply ship is set for departure Wednesday en route to a higher orbit for release of 14 CubeSats for commercial weather monitoring and technology demonstrations. The robotic Cygnus spacecraft is scheduled for release from the station’s robotic arm at 8:10 a.m. EST (1310 GMT) Wednesday.

Cassini’s farewell to Saturn

November 26, 2017

Two days before its final plunge into Saturn, the Cassini spacecraft turned its camera toward the ringed world to take a series of images for a color mosaic, capturing a last evocative close-up until a new mission reaches the planet.

Engineers hopeful Mars rover’s drill can return to service

October 25, 2017

Engineers have started testing a new way to use the Curiosity rover’s drill to bore into Martian rocks after a motor in the device stalled late last year, but ground teams are still months away from the first chance to resume drilling operations.

NASA’s Dawn mission gears up for close look at Ceres

October 20, 2017

NASA’s Dawn spacecraft will remain at Ceres for the rest of its mission, heading closer to the asteroid belt’s largest resident than ever before to obtain new measurements of ice, salts and a tenuous intermittent atmosphere detected around the dwarf planet, the space agency announced Thursday.

Cassini results still keeping scientists busy

October 19, 2017

Scientists examining data from the Cassini mission’s final months reported this week unexpected measurements of Saturn’s gravity field and outer atmosphere, suggesting they may have to revisit theories about the planet’s rings and the forces that generate magnetic fields.

Scientists celebrate 10th anniversary of Dawn mission’s launch

September 27, 2017

In the ten years since its launch from Cape Canaveral, NASA’s Dawn spacecraft has orbited the two largest worlds in the asteroid belt and overcome defective components that threatened to derail the mission on its 4 billion-mile voyage, discovering unexpectedly¬†rich geologic tapestries suggesting both destinations have a watery past.

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