Life's Little Mysteries

Geologists have dated mountains all over the world, allowing them to discover some of the oldest and youngest ranges on the planet.

What would it take to dislodge the moon from its orbit and send it on a collision course with Earth?

Crowds showed up this morning to watch as Punxsutawney Phil came out of his "burrow," only to see ... his shadow on 2-2-22.

Is COVID-19's rapid evolution unusual, or do other viruses have as many variants as this coronavirus?

Which country in the world has the most islands why is one part of the planet inundated with them?

Tigers may be orange, but their prey don't see them that way. Here's why it doesn't matter that these giant cats are brightly colored.

Here's why you sometimes hear a hum when you turn on an electric device or walk near a transformer.

How long could you walk in a straight line? What if the path meandered?

Humans have sent many species to extinction, but can other animals do the same?

Of all the living animals in the world, these are the ones with the longest arms, relative to body size.

Here's why you may start tearing up while slicing an onion.

Is there any truth to the tale that daddy longlegs are the most venomous spiders?

Here's why flat world maps always have distortions.

Here's how much water is in Earth's atmosphere at any one time.

Here's what it's like inside a kangaroo's pouch, where joeys can live for up to one year.

Cannabis has long been called "skunky." Turns out, stinky sulfurous compounds are to blame.

Humans will likely never run out of regular, mundane ideas, but whether will will run out of big ideas is a more nuanced issue.