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.

There were more homeless people counted on the street and in cars or encampments at last month's annual Homeless Count than in the year prior. The street count rose 16 percent while the overall count ...

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 ...