On the night of March 13-14, a "blood moon" total lunar eclipse will be visible from North and South America, Western Europe, far Western Africa, and New Zealand. To prepare for this stunning event, ...

Think about space for a couple minutes, and it’s pretty cool. Think about space for a couple hours, and you might be on the verge of an existential crisis. Even if you want to fight your anxiety over ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than 2,000 years old. The General Sherman giant sequoia is the largest known ...

This quiz will test your grasp of everything from orbital mechanics and international partnerships to basic facts about the ...