WASHINGTON, D.C. — Earth’s inner core, a solid metal ball gyrating within the molten outer core, may be both slowing...

analog: Something that resembles, stands in for, or is similar to another thing. array: A broad and organized group of objects....

When baby Atlantic puffins in Iceland venture out of the cliffside burrows where they had hatched, they look for the...

artificial intelligence: A type of knowledge-based decision-making exhibited by machines or computers. The term also refers to the field of...

Books contemplating the human experience and some of humankind’s greatest challenges were among the Science News staff’s favorite reads this...

Vampire bats live on a strictly blood-based diet. So strict, in fact, that they seem to process their food more...

average: (in science) A term for the arithmetic mean, which is the sum of a group of numbers that is...

agriculture: The growth of plants, animals or fungi for human needs, including food, fuel, chemicals and medicine. atmosphere: The envelope...

3-D: Short for three-dimensional. This term is an adjective for something that has features that can be described in three...

Following a public outcry, Anthem Blue Cross Blue Shield announced December 5 it had walked back plans that would have...