Scientists are discussing Tuesday morning what they found after Curiosity's tools drilled into its first Mars rock one month ago and created a powdery sample the was examined by the rover's instruments.
A briefing with NASA officials and the Curiosity team in Washington D.C. began at 10 a.m. PT.
The rover's tools bored a hole in the rock about a month ago and scooped out powder for analysis. The rover is equipped with an on-board laboratory to analyze the powder.
The process is an effort to determine whether the spot at which Curiosity landed about seven months ago was ever habitable. Curiosity crossed an ancient streambed to get to the flat bedrock that was sampled, suggesting water was present on Mars.
Scientists have already used the on-board laboratory's equipment to test Martian soil samples, which revealed a "complex chemistry" on the planet's surface, but no major surprises. An analysis detected water, sulfur, chlorine substances and other chemicals, but no definitive signs of life.
More samples from Gale Crater will be analyzed during the next two years as the rover rolls toward Mount Sharp.
The first few months on Mars have primarily been used to test the rover's complex equipment. The rover has sent back stunning images of the Martian surface, checked in on Foursquare and left wheel tracks on Mars during its test drive.
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