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Next Launch CRS-3 on a Falcon 9 rocket from Cape Canaveral AFB, FL scheduled for 18 Apr 14 19:25:22 GMT

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'Ready for a Margarita': 17 Years Since the Shuttle’s Second Hubble Servicing Mission (Part 2)

At the very “top” of the Hubble Space Telescope, astronauts Greg Harbaugh (left) and Joe Tanner work on the magnetometer cover task. Mark Lee compared Tanner’s ascent to riding his Harley. Photo Credit: NASA

Seventeen years ago this week, NASA launched its second shuttle Servicing Mission (SM-2) to the Hubble Space Telescope (HST). The [...]

'A Lot of Unknowns': 17 Years Since the Shuttle's Second Hubble Servicing Mission (Part 1)

Barely illuminated by sunlight, Joe Tanner is pictured during EVA-4 on STS-82. Photo Credit: NASA

Seventeen years ago this week, NASA launched its second shuttle Servicing Mission (SM-2) to the Hubble Space Telescope (HST). The $1.5 billion observatory has earned itself a well-deserved reputation as one of the most successful space-based instruments ever launched. [...]

'You and the Rest': Twenty Years Since NASA's Dramatic Hubble Repair Mission (Part 2)

Story Musgrave works at the end of Endeavour’s mechanical arm during activities to service the Hubble Space Telescope. Photo Credit: NASA

Twenty years ago this week, the singular space shuttle mission which marked the demarcation between past and future took place. Since the resumption of flights in September 1988, following the horrific loss of [...]

'You and the Rest': Twenty Years Since NASA's Dramatic Hubble Repair Mission (Part 1)

Laden with tools and equipment, Jeff Hoffman waves from the end of the RMS arm during Hubble repair operations. Photo Credit: NASA

Twenty years ago this week, the singular space shuttle mission which marked the demarcation between past and future took place. Since the resumption of flights in September 1988, following the horrific loss [...]

Hubble Eyes Asteroid Resembling Rotating Lawn Sprinkler With Multiple Comet-Like Tails

A never-before-seen set of six comet-like tails radiating from a body in the asteroid belt, designated P/2013 P5. Photo Credit: NASA, ESA, and D. Jewitt (UCLA)

Astronomers using the Hubble Space Telescope (HST) continue to discover surprises abound throughout the Solar System, some 23 years after it launched into orbit on NASA’s now retired [...]

Hubble Space Telescope Reveals Massive Groups of Star Clusters in Abell 1689

The Hubble Space Telescope has imaged what appears to be more than 160,000 star clusters in a group of galaxies known as Abell 1689. Image Credit: NASA, ESA, J. Blakeslee (NRC Herzberg Astrophysics Program, Dominion Astrophysical Observatory), and K. Alamo-Martinez (National Autonomous University of Mexico).

On a day which yielded another historic announcement about [...]

Astronaut Mike Foale: A Legend for Britain and the US Leaves NASA

Mike Foale works on the Hubble Space Telescope during the STS-103 servicing mission in December 1999. This was the first and only shuttle flight to remain in orbit over Christmas. Photo Credit: NASA

Last week’s announcement by NASA of the retirement of astronaut Mike Foale leaves just one representative—Tim Peake—on active status to carry [...]

NASA's Hubble Space Telescope Finds Source of Magellanic Stream

Image credit: David L. Nidever, et al., NRAO/AUI/NSF and Mellinger, LAB Survey, Parkes Observatory, Westerbork Observatory, and Arecibo Observatory.

Astronomers using NASA’s Hubble Space Telescope have solved a 40-year mystery on the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around our Milky Way galaxy.

[...]

NASA's Hubble Finds Telltale Fireball After Gamma Ray Burst

Image Credit: NASA, ESA, N. Tanvir (University of Leicester), A. Fruchter (STScI), and A. Levan (University of Warwick)

NASA’s Hubble Space Telescope recently provided the strongest evidence yet that short-duration gamma ray bursts are produced by the merger of two small, super-dense stellar objects.

[...]

It's an Alien Blue World—But Nothing Like Earth

Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser

The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more distant [...]