US and UK Spacewalkers Repair, Replace, Remove, and Install Hardware Outside Space Station

Tim Kopra (center) works at the S-6 truss segment during the effort to replace the failed Sequential Shunt Unit (SSU) for Power Channel 1B. Photo Credit: NASA

Tim Kopra (center) works at the S-6 truss segment during the effort to replace the failed Sequential Shunt Unit (SSU) for Power Channel 1B. Photo Credit: NASA

Expedition 46 astronauts Tim Kopra of NASA and Britain’s Tim Peake have completed a somewhat truncated four-hour and 43-minute spacewalk outside the International Space Station (ISS), successfully […]

Pluto's Large Nitrogen Ice 'Sea' Probably Formed from Giant Impact, Scientists Say

The vast ice plains of Sputnik Planum on Pluto. Image Credit: NASA/JHUAPL/SwRI

The vast ice plains of Sputnik Planum on Pluto. The basin, now filled with nitrogen ice, was probably created by a huge impact. Photo Credit: NASA/JHUAPL/SwRI

Instead of being little more than a frozen and unchanging rocky iceball, Pluto has been revealed to be a complex and dynamic little world, with mountains, valleys, vast icy […]

Dawn Spacecraft Begins Extensive Study of Dwarf Planet Ceres from Lowest Orbit

Artist's conception of Dawn orbiting Ceres. Image Credit: NASA/JPL-Caltech

Artist’s conception of Dawn orbiting Ceres. Image Credit: NASA/JPL-Caltech

The Dawn spacecraft just recently entered its lowest and final orbit around the dwarf planet Ceres, providing the closest look ever at the puzzling world. Dawn will, of course, be taking thousands more high-resolution photographs, but what else will it be doing during the remainder […]

2015 in Review: A Year of Spectacular Planetary Missions and Discoveries

High-resolution view of Pluto from New Horizons, showing rugged mountains and vast icy plains. Image Credit: NASA/JHUAPL/SwRI

High-resolution view of Pluto from New Horizons, showing rugged mountains and vast icy plains. Image Credit: NASA/JHUAPL/SwRI

To say that 2015 has been a great year for planetary exploration would be an understatement, with fantastic new discoveries from around the Solar System. From our first ever close-up look at Pluto and its moons, to […]

Pluto Explored! Postal Service to Release Stamps Honoring New Horizons Mission in 2016

It is official, with Pluto now explored, the United States Postal Service will be releasing two stamps in 2016 honoring the historic mission and the first ever close-up exploration of Pluto, previously identified as "not yet explored" by the USPS. Image Credit: USPS, with thanks to Raj Pillai / "Society of Unapologetic Pluto Huggers" on Facebook

It is official, with Pluto now explored, the United States Postal Service will be releasing two stamps in 2016 honoring the historic mission and the first ever close-up exploration of Pluto, previously identified as “not yet explored” by the USPS. Image Credit: USPS / Antonio Alcalá, with thanks to Raj Pillai / “Society of […]

University Researchers and NASA Engineers Test Future Spacesuits for Mars Missions

University researchers and engineers from University of North Dakota test their NDX-1 spacesuit inside the regolith bin at the Swamp Works facility at NASA KSC. Photo Credit: NASA

University researchers and engineers from University of North Dakota test their NDX-1 spacesuit inside the regolith bin at the Swamp Works facility at NASA KSC. Photo Credit: NASA

Astronaut spacesuits have evolved to purpose a variety of tasks and missions since the historic flight of Alan Shepard in 1961. In the past, protective spacesuit […]

First High-Resolution Images Released of Ceres from Dawn's New Lowest Orbit

One of the first new images taken in Dawn's lowest orbit around Ceres, showing the crater chain called Gerber Catena. Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

One of the first new images taken in Dawn’s lowest orbit around Ceres, showing the crater chain called Gerber Catena. Photo Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

NASA has released the first images of the dwarf planet Ceres from the Dawn spacecraft’s new lowest orbit. This is the closest view that Dawn will have of Ceres and its intriguing […]

NASA's InSight Mission to Mars Suspended Due to Vacuum Leak in Critical Seismometer Instrument

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

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

NASA officially announced at a media teleconference yesterday that the InSight mission to Mars has now been postponed, for at least two years, due to a leak in a seismometer instrument which cannot be repaired in time for the planned launch in March 2016. The […]

NASA's InSight Lander Arrives at Vandenberg Air Force Base, Prepares for Launch to Mars

A crate containing the InSight lander is loaded onto a C-17 cargo aircraft at Buckley Air Force Base, Denver. Image Credit: NASA/JPL-Caltech/Lockheed Martin

A crate containing the InSight lander is loaded onto a C-17 cargo aircraft at Buckley Air Force Base, Denver. Image Credit: NASA/JPL-Caltech/Lockheed Martin

Update: Just after this article was published, it was announced that there may be a launch delay due to the problem with a vacuum leak in the seismometer instrument. Today, NASA […]

New 2016 NASA Budget Fully Funds Europa Mission, Including Lander

A view many have been waiting for - artist's concept of the surface of Europa. The new NASA budget brings this closer to reality, with funding for not only a flyby probe, but also a lander. Image Credit: NASA/JPL-Caltech

A view many have been waiting for – artist’s concept of the surface of Europa. The new NASA budget brings this closer to reality, with funding for not only a flyby probe, but also a lander. Image Credit: NASA/JPL-Caltech

This was an exciting and very important week for NASA and planetary exploration: the new […]