'Ocean Worlds Exploration Program': New Budget Proposal Calls for Missions to Europa, Enceladus and Titan

Artist’s conception of Europa’s interior, with water rising through cracks in the surface, depositing salts similar to sea salt on Earth. The ocean below may be a habitable environment for some kind of life. Image Credit: NASA/JPL-Caltech

The exploration of the outer Solar System has revealed a plethora of amazing worlds, the likes of which […]

'Education Can Take You Anywhere': Teacher-Astronaut Dottie Metcalf-Lindenburger Turns 40 Today

Dottie Metcalf-Lindenburger is pictured close to the window in Japan’s Kibo laboratory module, aboard the International Space Station (ISS), during STS-131 in April 2010. Photo Credit: NASA

More than five years have now passed since Dottie Metcalf-Lindenburger—geologist, astronomer, cross-country runner, and the first Space Camp alumnus ever to journey beyond Earth’s atmosphere and into […]

'Somebody Get a Camera': 25 Years Since the Launch of Hubble (Part 2)

Twenty-five years after its April 1990 launch, the iconic Hubble Space Telescope remains functional. Photo Credit: NASA

Twenty-five years ago, yesterday, on 24 April 1990, one of the most important missions in the annals of scientific discovery got underway, with the launch of NASA’s Hubble Space Telescope. As described in yesterday’s AmericaSpace history article, […]

In Their Own Words: Astronauts on 25 Years of Hubble (Part 2)

The Hubble Space Telescope appears to “fly” over Earth as it is photographed during STS-109. Photo Credit: NASA

Today marks 25 years since the launch of the STS-31 mission (Discovery), which lofted the Hubble Space Telescope (HST) into orbit. AmericaSpace continues its tribute to the service life and achievements of HST, which began yesterday […]

'Monster Flight': 25 Years Since Launch of Hubble (Part 1)

The moment of deployment of the Hubble Space Telescope (HST), as seen from the IMAX Cargo Bay Camera (ICBC). Photo Credit: NASA

“If there were ever two missions that were completely opposite in terms of the public attention that was given to them,” astronaut Loren Shriver once said, “it would be my first and […]

In Their Own Words: Astronauts on 25 Years of Hubble (Part 1)

IMAX view of the release of the Hubble Space Telescope (HST) in April 1990. Photo Credit: NASA

While the astronauts aboard Space Shuttle Discovery may not have yet known it, April 24, 1990, was a watershed date not just in spaceflight history, but in human history: STS-31 launched from LC-39B at NASA’s Kennedy Space […]

'It's Gonna Be Great': 30 Years Since Shuttle Mission 51D (Part 1)

Spacewalkers Jeff Hoffman and Dave Griggs work to outfit a makeshift fly swatter onto the Remote Manipulator System (RMS) mechanical arm, in a fruitless attempt to activate Syncom 4-3’s deploy switch. Photo Credit: NASA

None of the 135 missions flown by NASA’s five-strong fleet of shuttle orbiters between April 1981 and July 2011 could […]

Veteran Shuttle Pilot and Adventurer Bill Oefelein Turns 50 Today

Bill Oefelein was one of the first members of his astronaut class to venture into space and the first Alaskan to reach orbit. He turns 50 today. Photo Credit: NASA

Although he forged an unfortunate place in popular culture and gained intense media attention in early 2007 as part of a bizarre “love triangle,” […]

Hubble Shows Evidence of Large Underground Ocean on Ganymede

From HubbleSite: “NASA’s Hubble Space Telescope observed a pair of auroral belts encircling the Jovian moon Ganymede. The belts were observed in ultraviolet light by the Space Telescope Imaging Spectrograph and are colored blue in this illustration. They are overlaid on a visible-light image of Ganymede taken by NASA’s Galileo orbiter. The locations of […]

The Flight That Wasn't: 30 Years Since the Unflown Mission 51E (Part 2)

In its third incarnation, the mission of Karol “Bo” Bobko finally takes flight on 12 April 1985. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Three decades ago, the shuttle program appeared bulletproof. In 1984, astronauts embarked on untethered EVAs, deployed satellites and performed scientific research, retrieved and repaired the crippled Solar Max observatory, and salvaged […]