Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...
From ringing like a bell to hiding traces of ancient magnetism, the Moon is far stranger than it looks. Here are ten ...
FLORIDA — On Monday, April 8, skywatchers got to witness a rare celestial delight and something that will not be seen again over North American skies for more than 20 years: A total solar eclipse.
During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...