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.
California high schoolers are helping NASA conduct high-level research.
Islamic leaders ruled that a Mars journey would be akin to suicide, but the private Mars colonization project disagrees, citing a 14th century Muslim explorer.
With the upcoming release of the major motion picture Europa Report, a couple of Jet Propulsion Lab scientists explain how science fiction has evolved in response to our growing understanding of space.
In a wide-ranging interview with PopularScience.com, Aldrin talks about a mission to Mars, 34 years of sobriety and the future of American leadership in space.
Nobody has ever tried anything like this on Mars before.
Two new experiments show how easy it would be to infect Mars with alien microbes.
NASA already has an orbiter for 2013 and a lander for 2016; now it has another rover in the works, too.
Curiosity has found some intriguing stuff in the Martian dirt, but it's not clear whether trace organic material is from Earth.
"One for the history books," says Curiosity's chief investigator
In 1972, the astronomer was discovering properties of Mars we never thought possible.
Looking around for methane in Gale Crater, Curiosity found a whole lot of nothing. But that doesn't dash hopes of finding evidence of life on Mars some day.
The simple tricks to fool Earth-evolved humans into living on Mars time.
Mars planners suggest a robot-to-human hand-off in space.
After cruising through space for eight months, and plummeting through the Martian atmosphere for seven minutes, the rover reports success
Scientists are not immune to superstitions -- they need lucky legumes
As Mars rover Curiosity approaches its terrifying landing, we have to face the fact that 'Mars wins most of the time'
NASA says advanced instruments will allow it to definitively prove whether three Martian meteorites contain evidence of life
A new theory offers promise for the existence of extreme microbial life on other planets