Dive into the universe's biggest splash! A far-off quasar reveals a massive cloud of water vapor, surpassing all Earth's ...

“Hoar” or “hoary” are old English words that can mean gray or whitened, grizzled, or weathered by age. It can also refer to ...

Ever seen your breath turn to “smoke” in winter? Learn why warm air from your lungs forms visible mist in cold weather.

The climate is changing and nowhere is it changing faster than at Earth's poles. Researchers at Penn State have painted a ...

What are snowflakes? Every winter, the world gets a shower of white, delicate crystals from space that turn the ground into a ...

On December 3, 2025 in Heilongjiang, China, @Qìnyúshuǐ shared a video of an extreme cold-weather moment inside a university ...

This week in the Boston Globe Weather Mailbag, we take a closer look at AI weather forecasting and how the technology is ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Kern County and the rest of the Central Valley have been experiencing their worst episode of tule fog or radiation fog in ...

The EPA unveiled a public database of current research regarding contrails and geoengineering. Americans on June 10. Zeldin ...

When a gas is highly energized, its electrons get torn from the parent atoms, resulting in a plasma—the oft-forgotten fourth ...

New observations show the comet's two tails and rising activity.