As the year is a time when one second of video footage can be sufficient to confirm a so-called mystery object before a ...

The 3I/ATLAS threw off over 13.5 million metric tons of water in the month after perihelion, a plume so large that it caused ...

For a long time, the end of the Ice Age felt like a slow fading rather than a sharp break. Mammoths vanished. Old ways of ...

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.