Latest Guest Blog Posts
One year after taking up its new residence in the solar system, Dawn is continuing to witness extraordinary sights on dwarf planet Ceres. Mission Director Marc Rayman brings us his monthly update on Dawn's status.
This past week brought to the fore two challenges for NASA’s managers as they try to enable the richest possible mix of coming planetary missions. At stake are whether the agency will be able to select two Discovery missions from the current competition, and whether there will be the possibility of a mission selected for Enceladus and/or Titan in the next decade.
Ever wanted to stand on Mars and watch a sunset? Unfortunately for many of us, it will never be something that we get to experience in person. But thanks to our robotic emissaries on Mars, and some careful processing of images from NASA's Planetary Data System, we can get a sense of what it’s like.
As the Martian winter slowly begins to recede, Opportunity is working away on the steep slopes of Knudsen Ridge at the southern end of Marathon Valley, showing her mettle in some of the most challenging terrain of the rover’s 12+ years on the Red Planet.
MENCA (Mars Exospheric Neutral Composition Analyser) is a quadrupole mass spectrometer onboard India's Mars Orbiter Mission, MOM. A report on measurements of neutral species accepted for publication in Geophysical Research Letters is the first peer-reviewed scientific result from the mission.
Cosmologist Jason Rhodes details the path he took to play a leading role in a European mission designed to learn about dark energy.