Spacecraft is headed to L-1 point in Earth-sun system, where it'll provide advance warning of incoming solar storms that can disrupt power grids and satellite systems.
A hallucinogenic fungus, perfectly preserved in amber, suggests that the fungus, the grasses it lived on, and grass-eating dinosaurs co-existed for millions of years.
Following launch scrubs on Sunday and again today, the Deep Space Climate Observatory (DSCOVR) now is scheduled to launch at 6:05 p.m. EST Wednesday, February 11.
New images capture a rare occurrence as three of Jupiter’s largest moons - Europa, Callisto and Io - parade simultaneously across the giant planet’s banded face.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.