Add Yahoo as a preferred source to see more of our stories on Google. The number zero was a relatively recent and crucial addition − it allows numbers to extend in both directions forever.

The original version of this story appeared in Quanta Magazine. A new proof has brought mathematicians one step closer to understanding the hidden order of those “atoms of arithmetic,” the prime ...

The number of homeless people across L.A. County declined 4% in 2025, marking the second consecutive drop after years of steady increases, with a 10% decrease of people living in the streets, ...

A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...