December's full moon is known as the Cold Moon or the Long Night Moon because it occurs during the longest periods of ...
Staff at the Institution pick their favorite reads of the year, including riveting memoirs, fascinating true histories and ...
About 45 minutes after the sun sets on Wednesday, you'll see the waxing crescent moon and about three degrees above it will ...
The Sun's activity is what gives us beautiful auroras — but it also has dramatic negative effects on satellites that go ...
Chicxulub is the asteroid impact that wiped out the non-avian dinosaurs and many other living organisms across the planet 66 ...
I see dead people.” “I am your father.” These lines have earned their place in cinema history not just because they come from ...
The two brightest nighttime objects, the moon and the planet Venus put on a lovely display in the western evening sky of ...
Two massive asteroids hit Earth around 35.65 million years ago, but did not lead to any lasting changes in the Earth’s ...
In a stunning and rare celestial occurrence, Saturn’s iconic rings will soon disappear from view, captivating astronomers and ...
The “blood moon” effect occurs only when there is a full moon and the sun, Earth, and moon are precisely aligned so that our ...
I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...