Physics Rethinking space and time could let us do away with dark matter Most physicists believe that only a quantum theory of gravity can fully explain mysteries of the universe like dark matter, but now an idea called "post-quantum gravity" is demonstrating an alternative approach NewsSubscriber-only
Life The surprising ways animals react to a total solar eclipse When the moon hides the sun in a total solar eclipse, some animals seem to think that it is briefly nighttime, while others pace anxiously or even gaze up at the sky NewsFree