The Sun’s two hemispheres inverse in polarity approximately every 11 years, and scientists are now saying that the current cycle of change may have already begun.
One day the sun will die. When that happens, it’ll be quite a dramatic sight to see. Thanks to the Hubble Space Telescope we have a picture of what that might look like.
NASA has discovered 26 black holes in the Andromeda Galaxy, the nearest galaxy to our own Milky Way.