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 […]

Sprint to the Finish: 30 Years Since the 'Death Star' Missions (Part 2)

The 61G crew, tasked with deploying Galileo. From left are Norm Thagard, Ron Grabe, Dave Walker and James 'Ox' van Hoften. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

By the time Galileo eventually left Earth in October 1989, it was boosted toward Jupiter by a less powerful Inertial Upper Stage (IUS). Photo Credit: NASA

Thirty years ago, this month—had the hands of fate showed greater kindness—two shuttles might have rocketed into orbit within days of each other to deliver a pair of […]

Willing to Compromise: 30 Years Since the 'Death Star' Missions (Part 1)

Artist's impression of the Galileo-Centaur deployment on Mission 61G in May 1986. The deployment of Ulysses, less than a week earlier, on Mission 61F would have been similar. Image Credit: NASA

The Centaur-G Prime, mounted in its Centaur Integrated Support Structure (CISS), is readied for launch in the Shuttle Payload Integration Facility at the Kennedy Space Center. Photo Credit: NASA

When Challenger was lost in the skies of Cape Canaveral on 28 January 1986, it brought to an end the space shuttle’s “age of innocence” […]

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 […]

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 […]

'What Did You Tell My Wife?': 25 Years Since STS-39 (Part 1)

The Infrared Background Signature Survey (IBSS), attached to a deployable Shuttle Pallet Satellite (SPAS), was one of the principal payloads aboard STS-39. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

The Infrared Background Signature Survey (IBSS), attached to a deployable Shuttle Pallet Satellite (SPAS), was one of the principal payloads aboard STS-39. The eight-day flight was the longest shuttle mission ever conducted in support of the Department of Defense. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Thirty years ago, the loss of Challenger, on 28 […]