Follow the radio waves to exomoons, astrophysicists say
Scientists hunting for life beyond Earth have discovered more than 1,800 planets outside our solar system, or exoplanets, in recent years, but so far, no one has been able to confirm an exomoon. Now, physicists ...
Iceland lowers volcano alert to orange
Iceland lowered its alert over the nation's largest volcanic system to orange on Sunday after keeping it for one day at the maximum level amid fears of an imminent eruption.