News in Brief
Lava-spewing supervolcanoes ripped through Mars’ dusty red surface billions of years ago, a new analysis suggests.
Scientists have identified Martian volcanoes before, but none as violently explosive as the ones Joseph Michalski of the Planetary Science Institute in Tucson and Jacob Bleacher of the NASA Goddard Space Flight Center in Greenbelt, Md., report in the Oct. 3 Nature. “What we’...
Whiffs of chemicals found in rocket fuel, a dark pyramid that resembles rare volcanic rocks on Earth and glassy particles bearing traces of water are among the Curiosity rover’s finds in its first chemical investigation of Martian dirt.
“This is the first time we’ve known precisely and definitively what this stuff is made of,” says astrobiologist David Blake of the NASA Ames Research...