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

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 […]

Hubble Observes Largest Group of Faintest and Earliest Galaxies Ever Seen

Hubble view of a galaxy cluster containing some of the smallest and youngest galaxies ever observed. Image Credit: NASA/ESA/HST Frontier Fields team (STScI)

Hubble view of a galaxy cluster containing some of the smallest and youngest galaxies ever observed. Image Credit: NASA/ESA/HST Frontier Fields team (STScI)

Peering ever further back in space and time, the Hubble Space Telescope has glimpsed the largest known group of the faintest and youngest primordial galaxies ever—over 250—some of which are estimated […]

Unusual Fast-Moving 'Ripples' Discovered in Planetary Debris Disk Surrounding Nearby Star

Hubble and VLT images of the "ripples" within the debris disk surrounding the young star AU Microscopii. Image Credit: ESO/NASA/ESA

Hubble and VLT images of the “ripples” within the debris disk surrounding the young star AU Microscopii. Image Credit: ESO/NASA/ESA

Planetary debris disks, or protoplanetary disks, are some of the most interesting phenomena in astronomy – these giant clouds of dust and gas surrounding young stars are the birthplaces of new planets. Now, astronomers […]

Rosetta Scientists Answer Question of How 'Rubber Duck' Comet 67P Got Its Shape

Image from July 14, 2015 showing the double-lobed or "rubber duck" shape of Comet 67P and outgassing of water vapor, gas and dust. Image Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

Image from July 14, 2015, showing the double-lobed or “rubber duck” shape of Comet 67P and outgassing of water vapor, gas, and dust. Image Credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

Comet 67P/Churyumov–Gerasimenko, or 67P, has been the focus of intense study by the Rosetta spacecraft since 2014. One of the key mysteries scientists […]

Rosetta Spacecraft Observes 'Dramatic and Rapid' Changes on Surface of Comet 67P

Sequence of images showing the surface changes in the    region. Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

Sequence of images showing the surface changes in the Imhotep region. Image Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

Since August 2014, the Rosetta spacecraft has been orbiting Comet 67P/Churyumov-Gerasimenko, providing an unprecedented look at an active comet as it moves closer to the Sun in its orbit. As expected, the level of activity increased the […]

Curiosity Finds First Evidence For Possible 'Continental Crust' on Mars

View of an igneous clast named Harrison which is embedded in a conglomerate rock in Gale crater, and features elongated light-toned feldspar crystals. This mosaic is a combination of an image from Mastcam with higher-resolution images from ChemCam’s Remote Micro-Imager. Credit: NASA/JPL-Caltech/LANL/IRAP/U. Nantes/IAS/MSSS

View of an igneous clast named Harrison, which is embedded in a conglomerate rock in Gale crater, and features elongated light-toned feldspar crystals. This mosaic is a combination of an image from Mastcam with higher-resolution images from ChemCam’s Remote Micro-Imager. Image Credit: NASA/JPL-Caltech/LANL/IRAP/U. Nantes/IAS/MSSS

The Curiosity rover, still roaming in Gale crater, has discovered […]

Rainfall on Titan May Create Propane Aquifers, Study Suggests

Illustration of a cross-section of Titan’s surface and near-subsurface, showing the surface lakes/seas, underground aquifers, clathrate layers, and icy crust. Image Credit: ESA/ATG medialab

Saturn’s largest moon, Titan, is a very alien yet eerily Earth-like world, with rain, rivers, lakes, and seas; seen from above, the landscape has a familiar look to it. But […]

ESA's Pesquet Assigned to 2016 Long-Duration ISS Mission

ESA astronaut Thomas Pesquet (second from right) discusses his 2016 assignment to a long-duration ISS mission. He is flanked by the ESA’s Director General Jean Jacques Dordain, the French Minister for Higher Education and Research, Geneviève Fioraso, and the President of the French space agency, CNES, Jean-Yves Le Gall (from right to left). Photo […]

Liftoff! Ariane 5 Rocket Delivers Eutelsat 25B/Es'hail-1 and GSAT-7 Satellites into Orbit

Today’s launch was the 71st flight of an Ariane 5 and the 57th straight successful launch for the giant booster. Photo Credit: ESA – CNES Arianespace Optique video du CSG JM Guillon

Europe’s giant Ariane 5 has triumphantly completed its fourth mission of 2013, blasting off with perfection from the ELA-3 (Ensemble de Lancement […]

GALEX Retired After a Decade of Service to Space Science

The Andromeda galaxy, M31, observed by the now-retired ultraviolet space telescope GALEX. This composite image is false-colored, with blue representing far ultraviolet and orange representing near ultraviolet. Image Credit: NASA/JPL – Caltech.

GALEX, the Galaxy Evolution Explorer, was recently decommissioned by NASA after more than 10 years of operation. GALEX was a space telescope with […]