First SLS Orion Completes Pressure Tests, Prepares for Install of Secondary Structures

The Orion crew module pressure vessel for NASA’s Exploration Mission 1 (EM-1) is moved by crane along the high bay inside the Neil Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida. The crew module was transferred to a proof pressure cell in the high bay for pressure checks. Photo Credit: NASA/Kim Shiflett

The Orion crew module pressure vessel for NASA’s Exploration Mission 1 (EM-1) is moved by crane along the high bay inside the Neil Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida. The crew module was transferred to a proof pressure cell in the high bay for pressure checks. Photo Credit: […]

After Month-Long Delivery Mission, SpaceX's Dragon Returns to Earth

The CRS-8 Dragon is detached from the Earth-facing (or "nadir") port of the Harmony node, via Canadarm2. Photo Credit: Tim Peake/NASA/Twitter

SpaceX’s eighth dedicated Dragon splashes smoothly into the Eastern Pacific Ocean at 2:54 p.m. EDT (11:54 a.m. PDT) on Wednesday, 11 May. Photo Credit: NASA

The last month has seen spectacular success for SpaceX, as the Hawthorne, Calif.-based launch services provider flawlessly conducted a pair of missions to Low-Earth Orbit (LEO) and Geostationary Transfer […]

New Worlds Galore: Kepler Space Telescope Confirms 1,284 More Exoplanets

Artist's conception of the many different exoplanets which have been discovered by Kepler so far. Image Credit: NASA/W. Stenzel

Artist’s conception of the many different exoplanets that have been discovered by Kepler so far. Image Credit: NASA/W. Stenzel

For several years now the Kepler Space Telescope, as well as other telescopes, has been discovering an increasing number of exoplanets, with over 2,000 such confirmed worlds found so far (and nearly 5,000 candidates). Today, NASA […]

Second SLS Qualification Booster Test Fire Scheduled for June 28

A full-scale, test version of the booster for NASA's new rocket, the Space Launch System, will fire up for the second of two qualification ground tests June 28 at prime contractor Orbital ATK's test facility in Promontory, Utah. File photo after the QM-1 test fire in 2015. Photo Credit: Orbital ATK

A full-scale, test version of the booster for NASA’s new rocket, the Space Launch System, will fire up for the second of two qualification ground tests June 28 at prime contractor Orbital ATK’s test facility in Promontory, Utah. Photo Credit: Orbital ATK

The solid rocket booster that will propel NASA’s skyscraper-size, 300-plus-foot-tall Space Launch […]

Expedition 47 Return Extended to 18 June to Support 'Heavy Scientific Research Work'

Commander Tim Kopra's Expedition 47 increment will benefit from an extension of almost two weeks. Photo Credit: NASA/Tim Peake/Twitter

Commander Tim Kopra (front right) has led Expedition 47 since March. He and his crewmates Tim Peake and Yuri Malenchenko will now depart the International Space Station (ISS) on 18 June. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

The incumbent Expedition 47 core crew of the International Space Station (ISS)—Commander Tim Kopra of NASA, Russian […]

'What a Beautiful View': 55 Years Since Freedom 7 Began America's Adventure in Space (Part 2)

Shepard is winched to safety in the minutes after Freedom 7 splashed into the Atlantic Ocean. Photo Credit: NASA

Shepard’s 15-minute flight offered him a few minutes of weightlessness and a few minutes to glimpse the grandeur of Earth from space. He was only the second human being to leave the Home Planet. Photo Credit: NASA

In the half-hour between 9:30 and 10 a.m. EDT on 5 May 1961, the United States came […]

'Man, I Gotta Pee': 55 Years Since Freedom 7 Began America's Adventure in Space (Part 1)

Carrying the hopes and dreams of a nation, Freedom 7 thunders into space on the morning of 5 May 1961. Photo Credit: NASA

Alan Shepard (left) and John Glenn were assigned as prime and backup pilots for America’s first mission into space. Photo Credit: NASA

Fifty-five years ago, in the early hours of 5 May 1961, America prepared to launch its first man into space. Navy Cmdr. Alan Shepard would fly a suborbital flight—rising from Pad 5 at […]

All Good Things: Countdown Begins Toward Cassini's 'Grand Finale' Around Saturn

Artist's concept of Cassini's final orbits between the Saturn's innermost rings and the planet's cloud tops. This set of orbits will consist the last leg of Cassini's mission, called 'The Grand Finale', which will culminate with a plunge on Saturn's atmosphere on September 2017. Image Credit: Image Credit: NASA/JPL

Artist’s concept of Cassini’s final orbits between the Saturn’s innermost rings and the planet’s cloud tops. This set of orbits will consist the last leg of Cassini’s mission, called “The Grand Finale,” which will culminate with a plunge on Saturn’s atmosphere in September 2017. Image Credit: Image Credit: NASA/JPL

It has become something of […]

Evidence from Curiosity Rover Shows Mars Once Had Oxygen-Rich Atmosphere

Mars' atmosphere is thin, dry and cold now, but it used to be thicker and contained a lot more oxygen. Image Credit: ESO/M. Kornmesser

Mars’ atmosphere is thin, dry, and cold now, but it used to be thicker and contained a lot more oxygen. Image Credit: ESO/M. Kornmesser

Mars’ atmosphere is thin and cold, composed primarily of carbon dioxide along with other trace gases and some water vapor. Evidence has continued to mount, however, that the rarified atmosphere […]

Malarkey Milkshakes: 25 Years Since STS-39 (Part 2)

After almost two months of delays, Discovery roars into orbit on 28 April 1991, 25 years ago, this week. Her STS-39 mission marked the longest shuttle flight ever conducted for the Department of Defense. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

After almost two months of delays, Discovery roars into orbit on 28 April 1991, 25 years ago, this week. Her STS-39 mission marked the longest shuttle flight ever conducted for the Department of Defense. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, next week, one of the most complex space shuttle missions in […]