Best mornings are likely Sunday and Monday, but Saturday should be good, too! Here are tips and links for helping you enjoy the beloved annual Perseid meteor shower.
Fast radio bursts - aka FRBs - are brief, powerful, puzzling bursts of radio waves from deep space. Now astronomers have detected a new and even more unusual type of FRB.
A pyrocumulus cloud - sometimes called a fire cloud - forms when intense heat from wildfires causes air to rise. Californians have been seeing these towering clouds this July and August.
The composite image above - from John Ashley at Glacier National Park in Montana, in 2016 - perfectly captures the feeling of standing outside as dawn is approaching, after a peak night of Perseid meteor-watching. As viewed from anywhere in the Northern Hemisphere, the Perseids' radiant point is highest at dawn, and so the meteors rain down from overhead.
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