Curious Kids is a series for children in which we ask experts to answer questions from kids. What is the smallest thing in the universe that actually exists? – Mimi, 12, Abeokuta, Nigeria To find an ...

Seventh-grader Aiden McMillan is in the running for a Guinness World Record as the youngest person to achieve nuclear fusion.

Scientists have now mapped the forces acting inside a proton, showing in unprecedented detail how quarks -- the tiny particles within -- respond when hit by high-energy photons. The international team ...

Ludacris wants to help his kids understand "their purpose here in the world" Gilbert Flores/Variety/Getty Ludacris is the proud father of four kids: Karma, Cai, Cadence and Chance. The rapper, whose ...