Protect bird migrations in honor of Global Big Day.

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.

Conspiracy theories can muddle people’s thinking

Salt journeys around the planet, leaving its mark at every step — before it's ultimately deposited into the ocean. Here's how the process works, and why the ocean's salt content may be more important than you think.

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

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.

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

There isn’t a frequency that will make you lose control of your bowels, but noise does play a role in our health.

Chimps learn to use tools when they are young and hone their techniques well into adulthood.

From ancient Egypt to Rome, cultures and civilizations have long used salt for a variety of different reasons.

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

There’s an abundance of drugs whose mechanisms are surprisingly complex. Popular diabetes and weight-loss treatments like Ozempic and Wegovy are two such drugs.

Though called the Great Lakes, these massive bodies of water are actually inland seas, and can be just as unpredictable as the ocean.

In the spring of 2024, seven different cicada species will emerge above ground. Experts say they’re easy enough to tell apart — if you’re looking and listening closely.

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

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

Drinking alcohol isn’t the only cause of high blood alcohol levels.

Researchers rebuilt flattened, fragmented skull, then created a digital picture of the Neanderthal woman’s face.

About a third of U.S. adults have looked for love online.