Because the moon has less gravity than Earth does, time passes slightly differently there. This effect was first predicted by ...

The Basic Instrumentation Grant (BIG) Program encourages applications from groups of investigators to purchase a single piece of new, costly, specialized, commercially available instrument or an ...

American Airlines has made a change that affects how millions of travelers earn rewards on its cheapest tickets — and now the airline is facing some backlash for it. Under the updated policy, ...