Why did the Aztecs sacrifice humans to the gods? Learn more about what this ritual served, along with other purposes.

Questions over tests of AI math abilities suggest we may never know how capable intelligent machines computers can become.

Lung cancer screening can save lives, but it isn’t accessible to everyone at risk of developing the disease ...

Salt journeys around the planet, leaving its mark at every step — before it's ultimately deposited into the ocean. Here's how ...

Recent research sheds light on how you can train your brain to think further ahead.

Step away from the peeler, or you’ll be tossing out a lot of valuable nutrients.

Astronauts can leave things behind unintentionally, but there are also other objects we purposely have sent into space.

Trash collected in a 2019 cleanup that removed 24,000 pounds (10,000 kilograms) of garbage from Mount Everest ...

In the spring of 2024, seven different cicada species will emerge above ground. Experts say they’re easy enough to tell apart ...

Researchers are trying to solve the problem of powering implantable devices to help improve and save lives.

Why is the planet Venus so dry? Learn why the planet's water keeps escaping.

These marine mammals are known for building unique cultures within their social groups.