See satellite data and maps that show wildfires becoming more frequent in the far north, especially in northern Eurasia. Numbers of fires have skyrocketed.
The brightest stars in the Northern Hemisphere's winter sky form the shape of the Winter Circle, or Hexagon, that will help you locate 6 constellations.
Astronomers can detect the molecules of distant exoplanets when they pass in front of their stars. These molecules might help reveal signatures of alien life.
Astronomers have spotted a beautiful shock wave around a dead star 730 light-years away. And according to all known mechanisms, this shock wave shouldn't exist.