Sea levels are expected to rise around the contiguous U.S. faster than previously thought, a new NASA study finds.
"Dunbar's number" implies that our relationship threshold is limited to 150 people. But is this true?
The vast Roman Empire split into the Eastern Roman Empire and Western Roman Empire in the fourth century A.D.
With climate change, habitat loss, overhunting and more, which animals are at risk of extinction by 2050?
There are about 1,350 potentially active volcanoes on Earth. Where are most of these volcanoes located?
A seashell held to your ear may sound like the ocean, but so does cupping your hand or holding a bowl at the same spot. Here's why.
Here's the science behind petrified wood, including what it is, how long it takes to form and whether it's useful in the research world.
Can anything crafted by humans be viewed with the naked eye from space, or would astronauts need to use binoculars?
Here's what the science says about whether everyone or only those with the right genes can wiggle their ears.
Some people who visit Paris develop extreme symptoms — such as nausea, vomiting and hallucinations — when their expectations of the city do not jibe with reality.
Even when there is substantial evidence to the contrary, the allure of conspiracy theories may be too powerful for some to resist.
Due to a number of technical and logistical difficulties, as well as meandering through sparsely populated areas, there is no pressing need to build a bridge on the Amazon River.