For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the table — a ...

(CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For years ...

Dec. 28 (UPI) --A Maryland fourth-grader earned a Guinness World Record when he stacked 21 cans of food into the shape of a pyramid in 30 seconds. Liam Kalbskopf, a student at Walkersville Elementary ...