The first color photo of Pluto, a warm-blooded fish, and much more
Microbes that eat and breathe electricity have forced scientists to reimagine how life works—on this planet and others
These 10 people have signed up to die on Mars, in order to live there.
Establish a settlement on the Red Planet in four not-so-easy steps.
Stay tuned for details next week about the proposed launch in 2018.
Mars planners suggest a robot-to-human hand-off in space.
Obama calls it a proud moment for the space program and the country
Intricate, untested sky crane airdrop is better than airbags, according to NASA
Call us, maybe
As Mars rover Curiosity approaches its terrifying landing, we have to face the fact that 'Mars wins most of the time'
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
We patrolled the halls of academe. We eavesdropped on the research grapevine. We asked scientists: Whose work is just plain brilliant?
All human eyes are glued to "seven minutes of terror" live from Mars
After cruising through space for eight months, and plummeting through the Martian atmosphere for seven minutes, the rover reports success
Mars is cooperating
Scientists are not immune to superstitions -- they need lucky legumes
NASA's newest Mars project is the most ambitious of its kind ever undertaken