Human beings don’t have a thick coat of fur like many other mammals do. Scientists think it has to do with something else that comes out of skin: sweat.

We asked our staff to choose their favorite Space.com stories of 2025. Here's what we got.

Israeli voters can seemingly contradictorily support the death penalty for terrorists and still doubt that it would deter terrorism. For years, polling in Israel has shown a broad Jewish-Israeli majority in favor of the death penalty for terrorists.