Here are six new things scientists have recently learned about viruses.
The descent looked like a 'flying whirlpool' over Hawaii.
The Lyrid meteor shower will peak April 22. To see the meteors, find a dark spot and look skyward near midnight.
Two immense swarms of sunspots have popped into view on the surface of the sun, hinting at the increased possibilities of vivid auroras and potentially damaging solar flares over the months to come.