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Fasting, or abstaining from food, is an ancient human tradition.

It's the time of year for workplace Christmas parties, and gatherings with family and friends.

When you stare for long enough into the heart of a galaxy to try to catch a glimpse of the black hole that lurks therein, that may not be all you catch.

How did the crocodile get its smile? The functions that give the reptile its signature wrinkled snout aren't quite the same as those responsible for the rest of its scales, with precise mechanical processes folding the scaly leer into shape long ...

It's beginning to look a lot like Christmas.

A young male humpback whale has been spotted fraternizing with females in two different groups located on opposite sides of the world, with a record-breaking journey of more than 13,000 kilometers (or 8000 miles) between them.

You've probably heard "Don't go outside in the winter with your hair wet or without a coat; you'll catch a cold." That's not exactly true.

Even in death, NASA's Ingenuity helicopter is helping us learn about Mars.

We all had to make adjustments as the COVID-19 pandemic unfolded - even zoo animals who were suddenly not seeing crowds of visitors pass by every single day.

When modern humans first ventured out of Africa, they followed in the footsteps of another human species who dared leave before them.