Samuel Olabanji and Abigail Park came into this year's Tower of Power competition with a plan: Model their dry spaghetti and marshmallow structure after one of chemistry's most recognizable shapes—the ...

Just 200 light-years from the Milky Way's supermassive black hole, a region called Sagittarius C has puzzled astronomers. Recent observations reveal unexpected phenomena in this extreme environment.

Ryleigh Poole and her teammates came into Tuesday evening's "Tower of Power" competition extremely well prepared. "We practiced our design a lot ahead of time," said the eighth-grader from the Waldorf ...