Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of the ...

Science writers and news media are invited to a talk at next week’s American Geophysical Union fall meeting to learn about what causes change in the Sun’s powerful activity, from flares that release ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.