Here are the best stargazing road trips in North America. Cook County is among the northernmost points in the continental U.S. That makes this Lake Superior region arguably the best place in the ...

North wasn’t always “up” on world maps. North doesn't always mean "up" when it comes to geophysics. Scientists have known for ...

WE'RE DUE FOR ANOTHER CARRINGTON EVENT On September 1, 1859, astronomer Richard Carrington was observing a huge sunspot.