SN 1987A is ringed by a strange string of hydrogen pearls that have puzzled astronomers for a long time, but researchers may ...
It’s been hurling great blobs of charged particles at Earth on a regular basis, intensifying the high-latitude auroras. And in a particularly flamboyant star turn, the sun on April 8 will hide itself ...
On their journeys through the solar system, the Voyager spacecraft beamed startling images back to Earth—of Jupiter and Saturn, then Uranus and Neptune and their moons. Voyager 1’s most famous shot ...