Articles

Emily Lakdawalla

Finally, a new drill site! For the first time in nearly a year, Curiosity has put drill bit to rock and acquired a new sample of Martian material for her analytical instruments to chew on. Scientific data collection at Windjana is now complete; Curiosity drove away last night, on sol 630.

Emily Lakdawalla

New photos from ESA's comet-chaser show its destination comet, 67P/Churyumov-Gerasimenko, developing a coma.

Katherine Mack

Everyone loves a good mystery. In astronomy, there is nothing more exciting than an unexplained signal.

Van Kane

For the last two years, NASA has been the shy partner refusing to get on the dance floor, and Congress has been the aggressive partner insisting on a dance now. The dance is the continuing attempt by Congress to have NASA commit to a mission to explore Europa, and NASA’s attempts to delay a mission well into the 2020s.

Emily Lakdawalla

Earth's brilliant colors shine above the drab lunar horizon in this new

Matthew Chojnacki

HiRISE team member Matt Chojnacki tells us about the discovery and formation of these mysterious features forming on Mars in the present day.

Larry Crumpler

Opportunity is closing in on the next important outcrop area on the rim of Endeavour crater.

Bill Dunford

One day, five worlds.

Amir Alexander

Amir Alexander's new book about an epic battle over a mathematical concept that shook the old order and shaped the world as we know it.

Mat Kaplan

Watch another universe unfold as simulated by Illustris, using a model that required 8,000 processors running in parallels 3 months to create!

Emily Lakdawalla

Rosetta is in the final stage of its approach to comet 67P Churyumov-Gerasimenko. Yesterday, the spacecraft successfully performed the first of ten burns it needs to match velocity with the comet.

Emily Lakdawalla

Updates on upcoming appearances in southern California at Spacefest tomorrow, and the International Space Development Conference next week.

Casey Dreier

The House revealed details of its draft NASA budget today, including an increase of $170 million to Planetary Science above the White House's request for 2015, putting it within spitting distance of our goal of $1.5 billion.

Simon Porter

New Horizons team member Simon Porter reports on the state of the mission and Pluto system science from the recent science team meeting at the Applied Physics Laboratory.

Emily Lakdawalla

A Mars year's worth of Sun images from Opportunity demonstrates Mars' orbital motions as reflected in the changing apparent position of the Sun: the analemma.

Marc Rayman

Less than a year from its rendezvous with dwarf planet Ceres, Dawn is continuing to make excellent progress on its ambitious interplanetary adventure. But once it gets to Ceres, just how will it go into orbit? Marc Rayman explains.

Jaime Green

Earth and its solar system compatriots all have nearly circular orbits, but many exoplanets orbit their stars on wildly eccentric paths. Is our home system strange? Or is our sense of the data skewed?

Casey Dreier

Budget season is in full swing in Washington, D.C., and we're starting to see indications of how NASA will fare this year. I have to say, things are looking pretty promising.

A.J.S. Rayl

The Mars Exploration Rovers mission cruised toward the Martian spring, Opportunity is powered-up and cleaner than it has been since its first winter on Mars.

Bruce Betts

There are swirly indications from a study of how to optimize the lander pad portion of the Planetary Society/Honeybee Robotics PlanetVac planetary surface sampling system.