History is filled with massive infrastructure projects, but China has topped the list of longest bridges in the world with ...

Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

The Earth's inner core, long considered a solid and stable sphere, may be quite different. A recent study suggests that its ...

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...