The three ages of the ancient world — Stone, Bronze, and Iron — encompass the formative years of human history in most ...

Learn why the researchers discovered the lampreys far from their supposed home.

Attention deficit hyperactivity disorder, a neurodevelopmental disorder characterized by inattention, hyperactivity, and ...

Healthy teeth are truly priceless ...

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.

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

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

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

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

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 ...