Bob King
Earth and moon inside blue zone, round around Earth and trailing off toward moon.

‘Earth wind’ may generate water on the moon

Particles carried from Earth’s poles via our planet’s magnetosphere could be interacting with lunar rocks to create small quantities of water on the moon.

Pluto’s time to shine

Guide and timetable to this week’s exciting events as New Horizons spacecraft encounters Pluto! Countdown on NASA TV begins 7:30 EDT (11:30 UTC) Tuesday.