A new paper by Renu Malhotra proposes that an undiscovered distant planet could have organized extremely distant Kuiper belt objects into orbital resonances.
SpaceX overcame high propellant temperatures, a boat too close to the launch pad, and pesky weather to launch a communications satellite into geostationary transfer orbit this evening.
Thanks to social media, we get to know individual astronauts better than we have at any other time in the history of spaceflight.
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.
Posted by Jason Davis on 2016/03/01 11:44 CST
Scott Kelly and Mikhail Kornienko are safely back on Earth today after 340 days in space. The one-year crew duo, along with Sergey Volkov, touched down in Kazahkstan Wednesday morning.
Cosmologist Jason Rhodes details the path he took to play a leading role in a European mission designed to learn about dark energy.
More than eight years after leaving Earth behind for an ambitious deep space adventure, the Dawn mission has now collected all of the data originally planned. Chief Engineer and Mission Director Marc Rayman brings us an update.
Welcome to my monthly inventory of the 20-plus spacecraft actively exploring our solar system. Highlights of this month include the impending launch of the ExoMars Trace Gas Orbiter and Schiaparelli lander, currently planned for March 14, and the resumption of regular VMC Mars images by Mars Express.
The Planetary Society's solar sailing CubeSat has a new designation: LightSail 2. To celebrate the name change, we're releasing a new video showing footage from a late January sail deployment at Cal Poly San Luis Obispo.
Emily is back to work on her Mars Science Laboratory book, which has a new publication date and a new title.
Image processing enthusiast Ian Regan produced a pretty view of Titan's lake-filled north pole, now visible to Cassini's cameras in the summer sun.
Posted by Jason Davis on 2016/02/23 12:35 CST
SpaceX is launching the SES-9 communications satellite to geostationary transfer orbit. But the company says a successful first stage drone ship landing is "not expected."
Early this morning, Scott Kelly and Tim Kopra released a trash-filled Cygnus cargo spacecraft from the International Space Station. Orbital ATK flight controllers will send Cygnus into Earth's atmosphere for a controlled reentry Saturday morning.