On the world’s highest battlefields, the enemy is often thin air, brutal cold, and a body that is always one mistake away from shutting down.

As the Arizona Trail winds past the proposed Oak Flat copper mine, the search for climate solutions takes on new meaning.

We need to talk about antimatter. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, ...

How much of our genome really matters? Some argue that because most of our DNA is active, it must be doing something important. Others say even random DNA would be highly active. This has now been put ...

Russia’s first humanoid robot with artificial intelligence fell on stage during its official debut at a technology event in Moscow on November 10, prompting staff to cover the machine from public view ...

A second-skin-like boot that slips on easily, its flat silhouette gives the illusion of being barefoot and feels like a true minimalist silhouette. This season, brands offer the boots in stretch-knit ...

The Florida Panthers were hoping to carry the momentum of their win at the Boston Bruins on Tuesday — the lone highlight of an otherwise disappointing five-game road trip — into their homestand opener ...

Add Yahoo as a preferred source to see more of our stories on Google. Incensed by the childishness of Schumer’s gag in a moment of national crisis, Stewart asked: “Who is that joke even for?

The clip continues with the veteran New Yorker turning to Minnesota Democratic Sen. Amy Klobuchar and joking: “New data came out today from KFF, and that is not Kentucky Fried French Fries. KFF… ...

"The Daily Show" host Jon Stewart mocked Senate Minority Leader Chuck Schumer, D-N.Y., on Monday, likening him to a "human flat tire" after the senator’s attempt at humor fell flat during a press ...