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NASA probes 'drug-free' policies, safety at SpaceX, BoeingThe US space agency has ordered a sweeping safety review of operations and workplace culture, including drug-free policies, at Boeing and SpaceX, two companies working to send astronauts to space, US [...]

Exoplanet stepping stonesAstronomers have gleaned some of the best data yet on the composition of a planet known as HR 8799c—a young giant gas planet about 7 times the mass of Jupiter that orbits its star every 200 years. [...]

Mars revisited: NASA spacecraft days away from risky landingMars is about to get its first U.S. visitor in years: a three-legged, one-armed geologist to dig deep and listen for quakes. [...]

Mars moon got its grooves from rolling stones, study suggestsA new study bolsters the idea that strange grooves crisscrossing the surface of the Martian moon Phobos were made by rolling boulders blasted free from an ancient asteroid impact. [...]

SpaceX's Elon Musk renames his big rocket 'Starship'SpaceX chief executive Elon Musk has announced he is changing the name of his monster rocket BFR, aimed at carrying people to the Moon and possibly one day to Mars, to "Starship." [...]

Exoplanet stepping stonesNew observations of a young gas giant demonstrate the power of a ground-based method for searching for signatures of life. [...]

Mars moon got its grooves from rolling stonesComputer models shine a light on the origin of the Mars moon Phobos' distinctive grooves. [...]

Scientists discover new 'pinwheel' star systemAn international team of scientists has discovered a new, massive star system -- one that also challenges existing theories of how large stars eventually die.    [...]

Astronomers have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth. The discovery illu [...]

Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea -- small objects deep in our solar system -- can be credited for forming and maintaining their o [...]

NASA has officially committed to a development timeline that will lead to the first flight of its X-59 Quiet Supersonic Technology (QueSST) aircraft in just three years. [...]

NASA has chosen Jezero Crater as the landing site for its upcoming Mars 2020 rover mission after a five year search, during which every available detail of more than 60 candidate locations on the Red [...]

Northrop Grumman's Cygnus spacecraft is on its way to the International Space Station with about 7,400 pounds of cargo after launching at 4:01 a.m. EST Saturday from NASA’s Wallops Flight Facilit [...]

NASA and the Departments of State and Commerce have submitted a report to the National Space Council outlining future opportunities and challenges for human spaceflight in low-Earth orbit (LEO), and i [...]

NASA will host a media teleconference at noon EST Monday, Nov. 19, to provide details about the Mars 2020 rover’s landing site on the Red Planet. [...]