That massive ball of hot gas at the center of our solar system is responsible for keeping our planet nice and balmy, but its also the source of some huge astronomical disruptions. Earlier this week, two enormous solar flares erupted from the Sun, knocking out radio signals across the U.S.
A massive outburst from the Sun was felt across three worlds in a rare event that could help protect astronauts from harmful radiation during future missions.
Astronomers have discovered an ancient stellar remnant that keeps its light elements separate, in a strange first.
On October 1, 2021, a pair of small spacecraft got their first good look at the closest planet to the Sun, revealing the strange process through which Mercury produces its own auroras.
