Science, Mars | featured news

After an 8 1/2-month voyage through space, NASA's souped-up Mars spacecraft zoomed toward the red planet for what the agency hopes will be an epic touchdown. The fiery punch through the tenuous Martian atmosphere at 13,000 mph Sunday night marks the beginning of "seven minutes of terror" as the Curiosity rover aims for a bull's-eye landing inside a massive crater near the equator.

The rover Curiosity, nearing Mars, has sophisticated tools to help answer the question: Did the Red Planet ever sustain life — and could it today? In a matter of days, a geologist unlike any on Earth will venture into alien territory.

Through a labyrinth of hallways deep inside a 1960s-era building that has housed research that dates back to the early years of U.S. space travel, a group of scientists in white coats is stirring, mixing, measuring, brushing and, most important, tasting the end result of their cooking.

On Aug. 5, as nervous JPL engineers watch, the fate of the rover — capable of pulverizing rocks and ingesting soil — will rest on a landing sequence so far-fetched that some scientists were skeptical it could work.

Member state delegations to the European Space Agency reiterated their desire to press ahead with missions to Mars in 2016 and 2018.

Scientists are confirming a recent and rare invasion from Mars: meteorite chunks from the red planet that fell in Morocco last July. This is only the fifth time scientists have chemically confirmed Martian meteorites that people witnessed falling. The small rock refugees were seen in a fireball in the sky six months ago, but they weren't discovered on the ground in North Africa until the end of December.

Firing on all engines, NASA's latest rover to Mars executed a course adjustment Wednesday that put it on track for a landing in August.

A NASA rover scouting for signs of past water on Mars has found the strongest evidence yet -- a vein of gypsum, a mineral deposited by water, protruding from an ancient rock.

The one-ton, car-sized Curiosity rocketed from Kennedy Space Center Saturday. The vehicle is on a two-year mission to determine whether life could have existed on Mars.

As big as a car and as well-equipped as a laboratory, NASA's newest Mars rover blows away its predecessors in size and skill. Nicknamed Curiosity and scheduled for launch on Saturday, the rover has a 7-foot arm tipped with a jackhammer and a laser to break through the Martian red rock. What really makes it stand out: It can analyze rocks and soil with unprecedented accuracy. "This is a Mars scientist's dream machine," said NASA Jet Propulsion Laboratory's Ashwin Vasavada, the deputy project scientist. Once on the red planet, Curiosity will be on the lookout for organic, carbon-containing compounds. While the rover can't actually detect the presence of living organisms, scientists hope to learn from the $2.5 billion, nuclear-powered mission whether Mars has - or ever had - what it takes to nurture microbial life.