When you push “start” on your microwave or computer, the device flips right on – but major physics experiments like the Large Hadron Collider at the European Organization for Nuclear Research, known as CERN, don’t work that way. Instead, engineers and physicists need to take a few weeks every year to carefully reset the collider and...

Helicopters draw a lot of attention with their almost magical ability to hover, fly in any direction and operate without runways. They also help save many lives, often dramatically, with their extensive use in all-weather military missions, ambulance duties and search-and-rescue roles.

When things go wrong, dramatic images and news stories about...

Curious Kids^[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.^[2]. Is it possible that one day we could make Mars like Earth? – Tyla, age 16, Mississippi When I was in middle school, my biology teacher showed our class the sci-fi movie “