SpaceX Prepares for Latest in Long History of Critical Pad Abort Tests (Part 1)

The LJ-1B Little Joe mission launches from Wallops on 21 January 1960, carrying “Miss Sam”, the second rhesus passenger, on a critical Pad Abort Test for Project Mercury. Photo Credit: NASA

Following the recent successes of the CRS-6 Dragon launch toward the International Space Station (ISS) on 14 April and last week’s flight of […]

'The Lord Protected Grandpa': 30 Years Since Mission 51B (Part 2)

During the majority of the seven-day mission, Challenger operated in a gravity gradient orientation, with her vertical stabilizer directed Earthward and her starboard wing pointing in the direction of travel. Image Credit: NASA, via Joachim Becker/SpaceFacts.de

Thirty years ago, this week, a seven-man crew with a combined age of 340 years rocketed into orbit […]

'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 […]

A Long Wait for Space: 30 Years Since Mission 51B (Part 1)

Challenger roars into orbit on 29 April 1985. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Thirty years ago, this week, Challenger was circling the Earth on the first dedicated Spacelab science flight of the shuttle era. For seven days, the crew of Mission 51B—Commander Bob Overmyer, Pilot Fred Gregory, Mission Specialists Don Lind, Norm Thagard, and […]

To the Edge of Time: Celebrating 25 Years of Hubble Science (Part 4)

The breathtaking image of the Hubble eXtreme Deep Field, which was created from data that had been collected with the Hubble Space Telescope in 2003 and 2004. In order for the image to be created, the space telescope pointed towards a small patch of the sky for a total of 50 days, while the […]

SpaceX, NASA Discuss Forthcoming Dragon Pad Abort Test

SpaceX Vice President of Mission Assurance Hans Koenigsmann (left) and NASA Commercial Crew Program Partner Manager Jon Cowart take questions during today’s Pad Abort Test Briefing at the Kennedy Space Center (KSC). Photo Credit: NASA

Barely a week since the successful launch of the TurkmenÄlem52E/MonacoSat payload to Geostationary Transfer Orbit (GTO), SpaceX will again […]

Rest In Pieces: MESSENGER Ends Orbital Operations, Impacts Mercury's Surface

The MESSENGER spacecraft, depicted in this artist’s rendering, began studying Mercury in 2011. Today, its mission ended with its impact on the far side of the planet. Image Credit: NASA

Here’s MESSENGER by the numbers: Years since launching: 10+; Years in Mercury’s orbit: Four; Number of orbits: 4,105; Size of its impact crater: Estimated […]

Bezos’ Blue Origin Conducts Maiden Test Flight of ‘New Shepard’ Space Vehicle

The New Shepard space vehicle blasts off on its first developmental test flight over Blue Origin’s West Texas Launch Site. The crew capsule reached apogee at 307,000 feet before beginning its descent back to Earth. Credit: Blue Origin

Blue Origin, the aerospace company privately owned and bankrolled by billionaire and Amazon.com founder Jeff Bezos, […]

'I Went Flying, All Right!' Remembering Challenger Pilot Mike Smith on His 70th Birthday

Mike Smith, the pilot of Challenger’s final mission. Photo Credit: NASA

When we think of “astronauts,” we think of the hundreds of heroes who have voyaged beyond the sensible atmosphere, into low-Earth orbit, and beyond, into cislunar space, lunar orbit, and even the dusty surface of the Moon itself. However, it is a sad […]

NASA Space Telescope Sees Possible X-Ray 'Screams' From Zombie Stars

Illustration showing the central region of our galaxy as seen by NuSTAR (magenta circle). The smaller circle shows where the image was taken. Image Credit: NASA/JPL-Caltech

It sounds like something from a bad sci-fi movie, but a NASA space telescope has detected what might be the X-ray “screams” from dead (zombie) stars. The Nuclear Spectroscopic Telescope […]