'Quite a Feeling of Being Alone': 25 Years Since Endeavour's Vanilla-to-Chocolate STS-54 Mission

The base of the Inertial Upper Stage (IUS), carrying the Tracking and Data Relay Satellite, departs Endeavour on 13 January 1993. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, this week, the crew of STS-54 settled into orbit for one of the shortest shuttle missions of the decade, tasked with deploying the fifth […]

The Astronaut's Astronaut: Remembering John Young

Apollo 16 Commander John Young gazes across the rugged terrain during humanity’s fifth piloted lunar landing. Photo Credit: NASA

Astronaut John Young, who died recently at age 87, reduces yet further the number of veteran Moonwalkers who are still with us. Only five men—all in their 80s—can now claim to have experienced the one-sixth […]

Delta IV Medium+ (5,2) Launches Final Mission, Delivers Secretive NROL-47 Payload to Orbit

The final Delta IV Medium+ (5,2) takes flight at 2:11 p.m. PST Friday, 12 January. Photo Credit: ULA/Twitter

One of the least-used variants of the mighty Delta IV booster flew its final manifested mission today (Friday, 12 January), delivering the classified NROL-47 payload into orbit on behalf of the National Reconnaissance Office (NRO). Originally […]

SpaceX Delivers Secretive Zuma Payload to Orbit, Returns Upgraded Falcon 9 First Stage to LZ-1

The Upgraded Falcon 9 launches, performs its three-part Boostback, Entry and Landing Burn and returns to an LZ-1 touchdown in the first SpaceX mission of 2018. Photo Credit: John Kraus/AmericaSpace

Only days after SpaceX elevated its long-awaited Falcon Heavy booster for pre-Static Fire fit-checks on Pad 39A at the Kennedy Space Center (KSC), the […]

Rediscovering the Moon: 20 Years Since Lunar Prospector

Launched 20 years ago, Lunar Prospector returned significant data pertaining to the Moon’s gravity, internal composition, origins and water-ice content. Image Credit: NASA

Twenty years ago, NASA’s Lunar Prospector spacecraft began an 18-month mission of discovery, revealing the Moon to potentially harbor vast water-ice reserves at its poles and offering tantalizing clues of a […]

Remembering John Young, an 'Astronaut's Astronaut', Gone at Age 87

Apollo 16 Commander John Young gazes across the rugged terrain during humanity’s fifth piloted lunar landing. Photo Credit: NASA

John Young, one of only 12 humans to have walked the dusty surface of the Moon, one of only three of mankind’s sons to have traveled twice to lunar distance, the only astronaut to fly […]

'The Yearning for Peace': Celebrating Christmas in Space

Since December 2000, a multi-national mix of Americans and Russians, Japanese and Italians, Dutchmen and Canadians, a Briton and a Frenchman have celebrated Christmas aboard the International Space Station (ISS). Photo Credit: NASA

As Santa commences his yearly traverse across the world this evening, in search of those whose exploits over the past dozen […]

SpaceX Launches Fourth Iridium NEXT Batch, Completes Half of Satellite Constellation

SpaceX Iridium-4 launch from Vandenberg AFB, Ca this evening atop a Falcon-9 rocket. Photo: SpaceX

SpaceX has closed out 2017 with a personal-best-beating 18th launch, more than twice as many as it has ever previously achieved in a single calendar year. Its 230-foot-tall (70-meter) Upgraded Falcon 9 booster rose majestically from Space Launch Complex […]

Walking in the Void: 45 Years Since the Last Deep-Space EVA

Apollo 17 astronaut Ron Evans hauls the cylindrical film canister from the SIMbay mapping camera back to the safety of the command module, during humanity’s most recent deep-space EVA, 45 years ago, today. Photo Credit: NASA

Forty-five years ago, today, a fully-suited astronaut poked his helmeted head out of the side hatch of the […]

Soyuz MS-07 Crew Launches, Bound for Six-Month Space Station Increment

Soyuz MS-07 during first-stage boost. Photo Credit: Roscosmos/Twitter

Three spacefarers from three nations have launched from the Baikonur Cosmodrome in Kazakhstan for a two-day chasedown of the International Space Station (ISS) and four months of residency aboard the orbital outpost. Veteran Russian cosmonaut Anton Shkaplerov—embarking on his third long-duration voyage to the station—is joined […]