A burning cross in a Chicago park shocks residents and has police searching for who did it Limited time: Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ad-free reading. A ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

CHICAGO -- Video captured a burning cross in downtown Chicago's Grant Park on Tuesday afternoon. A Chicago Fire Department spokesperson said firefighters responded to the fire at 2:30 p.m.

Nahda Nabiilah is a writer and editor from Indonesia. She has always loved writing and playing games, so one day she decided to combine the two. Most of the time, writing gaming guides is a blast for ...

“If you are a mathematician,” one of the world’s leading mathematicians recently wrote, “you may want to make sure you are sitting down before reading further.” And you’ll definitely need to sit down ...

AI can rifle through enormous libraries of information to connect far-flung ideas—conceptual leaps remain a purely human skill. The planar unit distance problem, or Erdős problem 90, has intrigued ...

Last week, OpenAI shocked the mathematical community by revealing that one of its internal artificial intelligence (AI) models had found a counterexample to a famous conjecture made by legendary ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A jaw-dropping video shared on Reddit is stunning viewers after capturing a giant tree burning from the ...

Some of the most serious threats to our forests do not arrive with smoke or headlines. They move quietly, through bark and new growth, weakening ecosystems long before we notice. Without sustained ...

The U.S. blockade of Iran continues amid an uncertain round of peace negotiations, while Congress wrestles with the ongoing Department of Homeland Security shutdown and the looming lapse of a key ...

You often inherit trees with a property. My current home has an abundance of ornamental and edible trees on it. Or, if your yard is bare, you may add trees for shade, wildlife habitat, color, ...