MAVEN mission finds Mars has a twisted tail

Artist’s conception of the complex magnetic field environment at Mars. Yellow lines represent magnetic field lines from the Sun carried by the solar wind, blue lines represent Martian surface magnetic fields, white sparks are reconnection activity, and red lines are reconnected magnetic fields that link the surface to space via the Martian magnetotail. Credit: Anil […]

Joe Bauman: Should NASA do more exploration of Jupiter’s and Saturn’s moons, where life seems plausible?

The news earlier this year from Saturn’s moon Enceladus was thrilling. The possibility of life elsewhere in the solar system suddenly seems highly plausible. Less than two years ago, scientists of the Cassini-Huygens project announced that the Cassini probe orbiting Saturn had found evidence that Enceladus has an ice-covered ocean enveloping the little moon. It […]