Nvidia, OpenAI and other major artificial intelligence companies all invest in one another. This carries some risks, as Bloomberg’s Joe Weisenthal explains on “The Ezra Klein Show.” Well, that ...

In some parts of Spain, people try to eat 12 grapes, one for each bell chime at midnight. Each grape represents a month of the coming year and is believed to bring good luck and prosperity. Missing ...

For the vast majority of Earth’s existence, our planet functioned as the quintessential circular system. The Sun’s energy nourished trees into life, and once they fell, microorganisms broke them down ...

Compact objects are compact stellar remnants, such as white dwarfs, neutron stars and black holes and specific types of these objects (e.g., pulsars and boson stars), as well as their larger ...

Add Yahoo as a preferred source to see more of our stories on Google. For many, a new year brings up a lot of fears about love, life, family, and career. And understandably so, the end of a year and ...

From glowing orbs to impossible eclipses, here are 15 of our favorite local UFO reports from the National UFO Reporting Center website.