Heat has always been something we thought we understood. From baking bread to running engines, the idea seemed simple: heat spreads out smoothly, like water soaking through a sponge. That simple ...

The Kansas City Royals were hot Wednesday at Wrigley Field, scoring an 8-4 road win. So were the Chicago Cubs. And the umpires. And the fans. Everyone felt the heat in Wrigleyville. Fans swarmed to ...

A meteorite that fell in Germany in 1724 contains a form of silica that conducts heat in a stable manner and baffles physicists.

Electrons in graphene break a key law of metals and reveal a strange quantum fluid. The discovery has surprised scientists.

Earth’s oceans reached their highest heat levels on record in 2025, absorbing vast amounts of excess energy from the atmosphere. This steady buildup has accelerated since the 1990s and is now driving ...

When four astronauts begin a historic trip around the moon as soon as February 6, they’ll climb aboard NASA’s 16.5-foot-wide Orion spacecraft with the understanding that it has a known flaw — one that ...