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A black hole that hasn't been heard of since 1989 has suddenly become active again and is now the brightest object in the X-ray sky.
In the "Star Trek" universe, humans made contact with aliens in 2063. In the real world, scientists could beat that mark by decades, at least when it comes to detecting signs of life beyond this rock.
Holding three tons of food and other supplies, the unmanned Progress 59 spacecraft has lost touch with ground control and a video shows it now spinning in orbit.
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.