Plant Studies, Imaging Operations, and Spacewalks Highlight Busy Week in Orbit for Expedition 42

NASA astronauts Barry Wilmore and Terry Virts preparing the International Space Station for commercial crew traffic, which will begin flying to and from the orbiting outpost in the not too distant future. Photo Credit: NASA

SPACE STATION WEEKLY UPDATE Feb. 16 – Feb. 22, 2015: Last week the astronauts aboard the Internation Space Station (ISS) […]

Rosetta’s Valentine’s Day Flyby Encounter Produces Stunning Comet Close-Ups

Backside view of Comet 67P/Churyumov-Gerasimenko Four image mosaic of Comet 67P/Churyumov-Gerasimenko comprising images taken on 14 February 2015 at 10:15 GMT just prior to closest approach from a distance of 12.6 km from the comet centre (about 10.6 km from the surface). For the comet centre distance, the image scale is 1.1 m/pixel. In […]

Mapping Planet Earth: 15 Years Since STS-99 (Part 2)

The Outboard Antenna of the Shuttle Radar Topography Mission (SRTM) extends 200 feet (60 meters) into space atop a mast extended from Endeavour’s payload bay. Photo Credit: NASA

Fifteen years ago, this week, the six-member crew of STS-99—Commander Kevin Kregel, Pilot Dom Gorie, and Mission Specialists Janet Kavandi, Janice Voss, Germany’s Gerhard Thiele, and […]

Mapping Planet Earth: 15 Years Since STS-99 (Part 1)

Computer-generated image of Endeavour performing radar observations with instruments in her payload bay and affixed to the deployable Outboard Antenna on STS-99. Image Credit: NASA

At the dawn of the year 2000, more precise radar maps existed of Venus—thanks to NASA’s Magellan imaging spacecraft—than of our own Home Planet. Although areas of Earth had […]

Like Superman: ESA's IXV Spaceplane Makes Successful Research Flight

AND IT’S OFF: A Vega launch vehicle lofts ESA’s IXV spaceplane to its suborbital mission. Photo Credit: ESA–S. Corvaja

It wasn’t Superman, but a spaceplane; however, it sure appeared to travel “faster than a speeding bullet,” as it cleared the pad in four seconds.

At 13:40 GMT (8:40 EST) today, the flight of the […]

Rosetta Captures Spectacular Comet Jets Blasting Away Ahead of Valentine’s Day Encounter

Comet 67P/Churyumov-Gerasimenko belching gas and dust This four-image mosaic comprises images taken from a distance of 28.7 km from the centre of Comet 67P/Churyumov-Gerasimenko on 3 February and released on 9 February 2015. The image resolution is 2.4 m/pixel and the individual 1024 x 1024 frames measure 2.5 km across. The mosaic measures 4.2 […]

Cassini Data Indicates Enceladus' Ocean Similar to Soda Lakes on Earth

The geysers of Enceladus, erupting through cracks in the ice at the south pole from a subsurface salty ocean or sea. Image Credit: NASA/JPL

Along with Jupiter’s infamous moon Europa, Saturn’s moon Enceladus is one of the most fascinating places in the Solar System, with its huge geysers of water vapor erupting from cracks […]

'The Most Complex So Far': What 2003 Might Have Been

Columbia roars into orbit for the 28th and final time on 16 January 2003. Eighty-two seconds into the ascent, a chunk of foam from her External Tank would spell disaster for the outcome of STS-107. Photo Credit: NASA

Twelve years ago, last weekend, Shuttle Columbia and the crew of STS-107—Commander Rick Husband, Pilot Willie […]

New Horizons Sends Back New Photos of Pluto on Clyde Tombaugh's Birthday

Two new images of Pluto and its largest moon Charon, taken on Jan. 25 and Jan. 27, 2015 by the New Horizons spacecraft. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

As the New Horizons spacecraft continues speeding toward its rendezvous with Pluto this summer, it has just sent back new photos […]

Rosetta Reveals Cracked Comet Covered With Dust and Spewing Pits

Comet 67P/Churyumov–Gerasimenko regional maps The 19 regions identified on Comet 67P/Churyumov–Gerasimenko are separated by distinct geomorphological boundaries. Following the ancient Egyptian theme of the Rosetta mission, they are named for Egyptian deities. Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

Scientists leading Europe’s Rosetta orbiter mission have discovered a wondrous array of rugged surface terrain, mysterious […]