NASA Assigns Astronauts To SpaceX, Boeing Test FlightsBoeing's first Starliner crew will include a former NASA astronaut who commanded the last shuttle flight in 2011.
NASA Says Boeing, SpaceX Could Launch Astronauts Next YearOn the eve of announcing the first crews to blast off aboard commercial crew capsules being built by Boeing and SpaceX, NASA posted updated launch targets Thursday that, as expected, push the first piloted flights to the spring or summer of 2019.
Astrophysicist Eugene Parker, 91, Speaks at University Of Chicago
Prepare For The Longest Lunar Eclipse Of The CenturyOn July 27, a lunar eclipse will be fully visible for 1 hour and 43 minutes.
SpaceX Launches Station Cargo, 'Floating Brain' Robot To OrbitThis was SpaceX's 12th flight so far this year and the third for NASA featuring a previously flown first stage.
NASA Shares Photo Of Blue Sand Dune On MarsNASA has shared photos taken by its Mars Reconnaissance Orbiter that show turquoise-colored sand dunes on the surface of Mars. 
Ominous Formation Identified As Rare 'Roll Cloud'Roll clouds usually appear to be "rolling" about a horizontal axis, but should not be confused with funnel clouds.
NASA, White House Team Up On Asteroid Emergency PlanThe White House Office of Science and Technology Policy is spearheading a 10-year plan to improve detection of near-Earth asteroids and comets that could crash into Earth.
Woman Sues NASA To Keep Moon Dust Gift From Neil ArmstrongA woman is suing NASA over a gift she claims was given to her by the first man to walk on the moon, Neil Armstrong.
NASA Finds Potential Building Blocks Of Life On Mars"We found organic molecules in rocks from an ancient lakebed," said Jen Eigenbrode, a research scientist and astrobiologist at NASA's Goddard Space Flight Center in Greenbelt, Md. "Those organic molecules could have come from life."
Alan Bean, Astronaut Who Walked On The Moon, Dies At 86"I became an astronaut because they were flying higher and faster and further than anything else."
Postal Service Launches Sally Ride StampThe first woman in space, astronaut and physicist Sally Ride, is getting her own postage stamp.
Spacewalk Astronauts Work On "Leaky" And "Frosty" PumpsMore than 15 years ago, Frosty lost heater power because of an unrelated problem elsewhere in the station.
NASA Sending Helicopter To Mars, Aiming For An Aviation FirstThe hope is that aircraft like this one -- flying mechanical scouts -- will eventually give scientists another vantage point from which to observe Mars.
Astronaut Gets Purdue Degree In SpaceNASA astronaut Andrew Feustel is over the moon after he received an honorary doctoral degree.