Asteroids rich in rare elements could be harvested for their valuable contents, but the real worth may be in using them as interplanetary fuel stations

Discover the dangers and benefits of Earth’s cracked crust. Is there a fault line beneath your feet?

We are in a real-life game of Risk. In 2019, Fiona Hill, an official at the US National Security Council during Donald Trump’s first term, said the Russians had informally proposed a plan whereby they

Many of the most dramatic cosmic events take the form of explosions, from asteroid impacts to the Big Bang itself. Here are some of the most spectacular examples

Seeking answers to your science questions? Ask our resident expert, Peter Gallivan

In 1874, the Scottish-American industrialist Andrew Carnegie completed the mile-long Eads Bridge, made of steel and crossing the River Mississippi into St. Louis. At the time, nobody believed that ste