What happened in the first moments of the universe—before the building blocks of life and the world we know today came into existence? Physicists at the CERN research facility in Switzerland are ...

Look up on a dark night and the Milky Way appears as a calm band of stars across the sky. But our galaxy has a violent past. For more than 13 billion years it has grown through star formation and ...

You may have heard the phrase "we are made of star-stuff." This statement by the astronomer Carl Sagan refers to the fact ...

Explore 25 natural phenomena scientists recently captured on camera, from volcanic lightning to glowing oceans. Witness Earth ...

Tuesday's storms powered through the Chicago area at a unusual pace, bringing with them multiple tornado spin-ups and straight line winds that reached up to 100 mph.

Tornadoes are among the most powerful and unpredictable forces in nature, capable of producing winds that exceed 320 km/h and ...

At 416 nanometers, the solar surface is dominated by granules, the convection cells that carry heat from the interior.

While supercells are the most likely type of thunderstorm to produce severe weather, they are also the least common.

Tornadoes’ size is one reason they’re so difficult to study. Most significant tornadoes develop beneath supercell ...