Jupiter's moon Callisto is very likely an ocean world
More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...
Space on MSN1d
OTD In Space – February 17: NASA Launches 5 THEMIS Aurora-Hunting Spacecraft
NASA launched a quintet of satellites to figure out the science behind Earth's most colorful auroras. The mission was titled ...
Midland Daily News on MSN4d
View line map: Valentine's Day northern lights forecast for the upper Midwest
Those still looking for last-minute Valentine's Day ideas may look to the skies tonight.  According to the Space Weather Prediction Center, a G1 (Minor) geomagnetic Storm Watch has been issued for Feb ...