NASA

NASA explained the mystery behind the decreased solar activity during the Sun's 11-year cycle, linking it to the changing speeds of plasma inside the Sun.

Among the new solar systems discovered by the Kepler spacecraft are planets that share orbits and one that orbits its star in a single day.

NASA said it has rescheduled a media teleconference to Wednesday 2 p.m. EST to discuss the first computer model that explains the recent period of decreased solar activity during the Sun's 11-year cycle.

The crew of the Discovery space shuttle has installed the Permanent Multipurpose Module onto the underside of the International Space Station.

Greg Laughlin, an astrophysicist from the University of California at Santa Cruz has evolved a formula to come up with a monetary valuation for planets in the Universe, according to which planet Earth is the most expensive at 3000 trillion pounds, or almost $5000 trillion!

Sir Richard Branson's Virgin Galactic, LLC announced yesterday the first ever commercial contract to fly scientists into space for the purpose of conducting research experiments.

Here's a gorgeous 16- second view of the waving flames off the Sun's surface, with exquisite details.

NASA's Jet Propulsion Laboratory plans to layoff about 200 employees amid federal cutbacks, The Los Angeles Times reported today.

After a moving launch, the 39th and final crew on the space shuttle Discovery is awake and ready to go on their first full day in space.

The space ship successfully launched into orbit and reached for the stars one last time.

The nearly 30 year old space fleet Discovery will be used to deliver specialized equipment to the International Space Station on its last space mission.

NASA gears for a truly historic moment as it prepares the space shuttle Discovery for its 39th and final mission.

Discovery's final mission plays a bitter sweet experience for NASA, which readied it following four month delay for a mission that marks the retirement of the space shuttle.

NASA is readying the Discovery Shuttle for its final mission into space.

NASA has postponed the launch of Glory spacecraft by at least 24 hours, citing technical issues. The next launch attempt has been rescheduled for 5:09 a.m. EST, Thursday, NASA said.

NASA's Glenn Research Center has introduced a method wherein researchers use atomic oxygen to restore masterpieces that appear to be irrevocably destroyed.

NASA has begun counting down to the launch of space shuttle Discovery's final mission to the International Space Station. The 39th flight of NASA's most flown shuttle is scheduled to last 11 days, beginning at 4:50 pm EST on Feb. 24 from Kennedy Space Center in Florida.

NASA has begun counting down to the launch of Discovery. The shuttle's final mission to the International Space Station is slated for Feb. 24 at 4:50 pm from a seaside pad at the Kennedy Space Center in Florida.

A new NASA satellite -- Glory -- will collect data on the properties and distribution of aerosols in Earth's atmosphere and on solar irradiance for the long-term record of Earth's climate. The launch of NASA's Glory spacecraft aboard an Orbital Sciences Taurus XL rocket is scheduled for February 23.

NASA keeps the February 24, Thursday date with Discovery. The much-delayed shuttle will finally take off with six astronauts and an android.

The largest solar flare in several years has disrupted some communications, though it was not in the right position to create auroral displays visible from lower latitudes.