Analysis of global climate patterns from past 1.5 million years reveal links between ocean circulation and climate changes.

It seems the ancient Egyptians believed that the unchanging place in the sky occupied by the circumpolar stars was the location of the afterlife. And they constructed the Great Pyramid to send the ...

They did not have compasses so archaeologists believe that they used the stars as a guide. They used the circumpolar stars that circle the North Pole of the Earth. The ancient Egyptians also used ...

These stars wrap around Polaris, the North Star, so you must look north. There’s more good news because since Ursa Minor is a circumpolar constellation—i.e., it’s “up” all night—you ca ...