The U.S. space agency, NASA, is planning to send another rover to Mars in 2020.
A NASA-appointed team of 19 scientists and engineers says the next Mars rover should seek out signs of past life on the Red Planet and collect samples for possible future return to Earth.
One member of the Mars 2020 Science Definition Team, Lindy Elkins-Tanton of the Carnegie Institution in Washington, studies the evolution of planets. She told reporters during a NASA teleconference that questions are …
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