Two giant swaths of radiation, known as the Van Allen Belts, surrounding Earth were discovered in 1958. Scientists assumed that there were only two radiation rings around the Earth, but a recently-launched NASA probe has detected a new “temporary” belt. As radiation rings pose serious hazards, the finding have implications for future manned flights. The third belt of radioactive energy particles... 

Mysterious sounds have been heard booming from the sky all around the world – in some cases they were so loud they set off car alarms. The unsettling noises were heard recently from Europe to Canada, sounding like groans and powerful horns. In Germany noises coming from the sky were recorded on a video camera and uploaded to YouTube, with car alarms clearly heard going off in the background. The...