Add Yahoo as a preferred source to see more of our stories on Google. Earth is spinning faster this summer, leading astronomers to notice that some days have clocked in at slightly less than the ...

Things aren't looking good for one of NASA's Mars orbiters. MAVEN (short for "Mars Atmosphere and Volatile Evolution") has been silent since Dec. 4, despite repeated efforts to hail the spacecraft, ...

Over the next few months, Earth is expected to spin slightly faster than usual, shaving off tiny slivers of time from our days. On July 9, July 22, and August 5, the planet’s rotation will speed up ...