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NASA reports are all crew members are currently safe in the Russian section of the ISS, but work to determine the cause of the alarm is ongoing.
The space agency is promoting some of the 1,000 planets discovered by the Kepler Mission in the style of vintage travel posters.
New video footage from October's accidental explosion of an Antares rocket shows the intense force felt at the launch pad.
The landing marks a historic triumph for the European Space Agency -- and for space exploration as a whole.
Company tasked with resupplying the International Space Station says it may replace the decades-old, Soviet-made engines for future launches.
The space plane, designed for space tourism, crashed in California's Mojave Desert. One fatality and one major injury have been confirmed by Virgin Galactic.
The Antares rocket barely lifted off before "disassembling" and exploding just above its launchpad...but while it can feel truly disheartening, we try to remind ourselves space travel is tough, and failure is a natural part of the scientific process.
An Orbital Sciences Corp. rocket laden with supplies for the ISS suffers a fiery first-stage engine failure before falling and exploding at a NASA flight facility.
Kepler-186f orbits an M dwarf star in the constellation Cygnus. More importantly, it's the first confirmed Earth-size, potentially habitable planet elsewhere in the universe.
The new planet, known as Kepler-413b, has an extremely irregular orbit that seems to move up and down. It also has no surface to stand on.