Quantum physics is quietly rewriting the rulebook for how far and how fast humanity might travel beyond Earth. A cluster of ...

Meteors from the Ursids appear near the Little Dipper, which is part of the constellation Ursa Minor. Only skywatchers in the Northern Hemisphere will have a chance of seeing this shower. The moon ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Refresh your defensive driving skills this holiday season with ...

A new mathematical equation describes the distribution of different fragment sizes when an object breaks. Remarkably, the distribution is the same for everything from bubbles to spaghetti. When you ...

An earthquake of magnitude 4.0 rattled the Bay Area shortly after 6 A.M. local time on November 26—the quake is the largest so far in a string of recent activity near Gilroy, Calif. The U.S.