After emitting its first significant solar flares since June 2013 earlier in the week, the sun continued to produce mid-level and significant solar flares
At a cosmologically crisp one degree Kelvin (minus 458 degrees Fahrenheit), the Boomerang Nebula is the coldest known object in the Universe
Scott Carpenter was one of the icons of NASA's early efforts to explore the new frontier of space.
NASA's Cassini spacecraft has obtained new pictures of the liquid methane and ethane seas and lakes that reside near Titan's north pole.
A magnetic filament of solar material erupted on the sun in late September, breaking the quiet conditions in a spectacular fashion.
Scientists from NASA and the Planetary Science Institute in Tucson, Ariz., have identified what could be a supervolcano on Mars—the first discovery of its kind.
The first Cygnus Spacecraft to visit the International Space Station (ISS), the G. David Low, departed the station at 7:31 AM EST on October 22, 2013.
The journey of light from the very early universe to modern telescopes is long and winding.
A European trio of researchers has discovered a "circumstellar disk" – a corpse, in other words – of a minor planet that was about 26 per cent water.
An international team of astronomers has discovered an exotic young planet that is not orbiting a star.
Lessons from underground nuclear tests and explosive volcanoes may hold the answer to how a category of unusual impact craters formed on Mars.
A comet exploded over modern-day Egypt 28 million years ago, raining down fire and leaving behind a "mysterious" black pebble
NBC today announced an exclusive deal with Sir Richard Branson’s Virgin Galactic
New program seeks to lower satellite launch costs by developing a reusable hypersonic unmanned vehicle
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