Two Events Commemorate 50th Anniversary of U.S. Human Spaceflight

NASA Administrator Charles Bolden will commemorate the 50th anniversary of the first U.S. manned spaceflight during…

NASA Hosts Science Update About Gravity Probe B Mission

NASA will hold a news conference at 1 p.m. EDT on Wednesday, May 4, to discuss…

NASA’s Swift And Hubble Probe Asteroid Collision Debris

Late last year, astronomers noticed an asteroid named Scheila had unexpectedly brightened, and it was sporting…

NASA Spacecraft Reveals Dramatic Changes In Mars’ Atmosphere

NASA's Mars Reconnaissance Orbiter (MRO) has discovered the total amount of atmosphere on Mars changes dramatically…

Cassini Probe Sees Electric Link With Saturn And One Of Its Moons

NASA is releasing the first images and sounds of an electrical connection between Saturn and one…

NASA Awards Next Set Of Commercial Crew Development Agreements

NASA has awarded four Space Act Agreements in the second round of the agency's Commercial Crew…

NASA’S Next Generation Space Telescope Marks Key Milestone

The first six of 18 segments that will form NASA's James Webb Space Telescope's primary mirror…

NASA Telescopes Join Forces To Observe Unprecedented Explosion

NASA's Swift satellite, Hubble Space Telescope and Chandra X-ray Observatory have teamed up to study one…

Breakthrough Study Confirms Cause Of Short Gamma-Ray Bursts

A new supercomputer simulation shows the collision of two neutron stars can naturally produce the magnetic…

NASA To Release Messenger’s First Orbital Images Of Mercury Media Teleconference Scheduled for 2 p.m. EDT Wednesday

NASA will release the first orbital image of Mercury's surface, including previously unseen terrain, on Tuesday…