James Webb Space Telescope Arrives at Johnson Space Center for Cryogenic Testing

The giant 18-piece mirror of the James Webb Space Telescope, inside the cleanroom at Johnson Space Center. Photo Credit: NASA/Chris Gunn

Often referred to as the successor for Hubble, the James Webb Space Telescope (JWST) is one of the most highly anticipated space telescopes ever built. A large infrared telescope with a 6.5-meter primary […]

Nearing the End: Cassini Prepares for Spectacular 'Grand Finale' Orbits at Saturn

Cassini is now entering the Grand Finale phase of the mission, which will end on Sept. 15, 2017, after the spacecraft plunges between the planet and rings 22 times. Image Credit: NASA/JPL-Caltech

NASA’s Cassini mission to Saturn has been one of the most successful and awe-inspiring ever, studying the giant ringed planet and its […]

New Horizons Reaches Halfway Point Between Pluto and Next KBO Target

New Horizons is now halfway from Pluto to its next destination – the KBO known as 2014 MU69, which it will reach on Jan. 1, 2019 (artist’s conception). Image Credit: NASA/JHUAPL/SwRI

It may not seem like it, but it is approaching two years now since New Horizons made its historic flyby of Pluto and […]

'Masterful Performances': 15 Years Since Columbia's Last Fully Successful Mission (Part 2)

Columbia roars into the pre-dawn darkness on 1 March 2002, beginning her final wholly-successful mission. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Rising into the pre-dawn darkness on 1 March 2002—15 years ago, next week—Space Shuttle Columbia’s 27th mission into low-Earth orbit would achieve, literally, the greatest heights of her storied career. In more than […]

'That Your Number Hadn't Come Up': 15 Years Since Columbia's Last Fully Successful Mission (Part 1)

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

Fifteen years ago, next week, Columbia roared into orbit on her final wholly-successful mission, STS-109. It was the 27th flight of a vehicle which had ushered in the dawn of the Space Shuttle era, back in […]

'Waiting For You to Land on Mars': 20 Years Since the STS-81 Mission to Mir (Part 2)

The STS-81 and Mir crews gather for a group portrait in the space station’s base block. Front row, from left, are Mike Baker, John Grunsfeld, John Blaha, and Aleksandr Kaleri. Back row, from left, are Jerry Linenger, Valeri Korzun, Marsha Ivins, Jeff Wisoff, and Brent Jett. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty years […]

'Horrendous Gas Mileage': 20 Years Since the STS-81 Mission to Mir (Part 1)

Mir, as viewed from Atlantis on STS-81. The orange-colored Docking Module (DM), at the end of the Kristall module, is visible at the right of the image. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Two decades ago, this week, America’s Space Shuttle Program began living up to its billing as a vehicle for delivering experiments, […]

'All of You on the Good Earth': Celebrating Christmas Away from the Home Planet (Part 1)

With a fire unavailable, the Christmas stockings of consecutive International Space Station (ISS) crews have been hung by the hatch—with care, of course. Photo Credit: NASA

For the first time, a woman will record as many as two Christmases spent away from the Home Planet tomorrow (Sunday), whilst orbiting Earth aboard the International Space […]

NASA Engineers Complete First 'Center of Curvature' Test on James Webb Space Telescope

Engineers conducting a white light inspection of the James Webb Space Telescope, currently located in the clean room at NASA’s Goddard Space Flight Center in Greenbelt, Md. Photo Credit: NASA/Chris Gunn

The James Webb Space Telescope (JWST) has completed another significant milestone toward becoming the most powerful space telescope ever built: the finished primary […]

NASA's InSight Mission to Mars Approved for Spring 2018 Launch

Artist’s conception of InSight on the surface of Mars. Image Credit: NASA/JPL-Caltech

NASA’s InSight mission to Mars will now go ahead as planned, it was announced today. After a delay due to a vacuum leak last December, with a launch originally slated for last March, it was unclear whether the mission would still be […]