Earth

How to see the northern lights—and why they’re more common now

Science

How to see the northern lights—and why they’re more common now

How to see the northern lights—and why they’re more common now

Yvon Chouinard on why he gave away Patagonia

History & Culture

Yvon Chouinard on why he gave away Patagonia

Yvon Chouinard on why he gave away Patagonia

What is the winter solstice? Here’s what you need to know.

Science

What is the winter solstice? Here’s what you need to know.

What is the winter solstice? Here’s what you need to know.

The science of how lost dogs find their way home

Animals

The science of how lost dogs find their way home

The science of how lost dogs find their way home

Alien life is out there. Can AI find it?

Science

Alien life is out there. Can AI find it?

Alien life is out there. Can AI find it?

Here's what would happen if Earth really had a second moon

Science

Here's what would happen if Earth really had a second moon

Here's what would happen if Earth really had a second moon

How air pollution affects your health

Environment

How air pollution affects your health

How air pollution affects your health

How do gold nuggets form? Earthquakes may be the key

Science

How do gold nuggets form? Earthquakes may be the key

How do gold nuggets form? Earthquakes may be the key

These breathtaking natural wonders no longer exist

Travel

These breathtaking natural wonders no longer exist

These breathtaking natural wonders no longer exist

How did life on Earth begin? Here are 3 theories.

Science

How did life on Earth begin? Here are 3 theories.

How did life on Earth begin? Here are 3 theories.

Why the leap second is going away for good

Science

Why the leap second is going away for good

Why the leap second is going away for good

Did Pluto ever actually stop being a planet? Experts debate.

Science

Did Pluto ever actually stop being a planet? Experts debate.

Did Pluto ever actually stop being a planet? Experts debate.

An asteroid may have turned ancient Earth into a snowball

Science

An asteroid may have turned ancient Earth into a snowball

An asteroid may have turned ancient Earth into a snowball

6 of the best series to watch after Planet Earth III

Travel

6 of the best series to watch after Planet Earth III

6 of the best series to watch after Planet Earth III

Moon-forming collision may have left chunks deep within Earth

Science

Moon-forming collision may have left chunks deep within Earth

Moon-forming collision may have left chunks deep within Earth

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