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A series of glass domes stand next to other glass buildings on an arid compound with the hot desert sun beating down

Biosphere 2's latest mission: Learning how life first emerged on Earth – and how to make barren worlds habitable

By Ghiwa Makke, Scott Saleska, Chris Impey published

Despite being just outside Tucson, Arizona, Biosphere 2 looks almost like a colony on another planet.

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Researcher Fatima Li-Hau collects samples in a hot spring in Japan.

Secrets of ancient life on Earth may live in Japan's hot springs

By Stefanie Waldek published

Ancient iron-metabolizing microbes may have turned toxic oxygen into an energy source.

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Concentric squiggly rings of purple wrap around each other over a light background

It came from outer space: Scientists solve decades-long mystery of the Silverpit Crater

By Sharmila Kuthunur published

Scientists have confirmed that the Silverpit Crater in the North Sea was caused by an asteroid impact over 40 million years ago, ending years of controversy over its origin.

Earth
An asteroid in the foreground is illuminated by a bright star behind it in space.

Earth's next 'mini-moon' could create a gold rush for asteroid miners

By Tom Brown published

Asteroid 2024 PT5 is considered Earth's mini-moon and may be a key target for potential asteroid mining operations.

Earth
A photograph of a volcanic eruption in Iceland, where a short volcano spews lava into the air with smoke

A massive eruption 74,000 years ago affected the whole planet – archaeologists use volcanic glass to figure out how people survived

By Jayde N. Hirniak published

How did humans survive catastrophic volcanic explosions to piece together the story today?

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Earth, half shaded

Autumnal equinox 2025 brings fall to the Northern Hemisphere on Sept. 22

By Joe Rao published

The autumn equinox brings fall to the Northern Hemisphere today when the sun passes over our planet's equator at noon.

Earth
Satellite images of Alberta show a brown and green landscape and another image with a long brown streak across the middle of the landscape where a hailstorm wrecked havoc.

Storms leave 120-mile scar in Alberta visible from space (images)

By Elizabeth Howell published

Hailstones drove into terrain in southern Alberta during a storm Aug. 20, creating a scar on the landscape visible in NASA satellites.

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a large white swirl of clouds off the us east coast

Watch Hurricane Erin swirl menacingly in the Atlantic Ocean in NOAA satellite video

By Meredith Garofalo published

Satellites operated by the National Oceanic and Atmospheric Administration watched Hurricane Erin as it swirled off of the U.S. coast on Aug. 11, 2025.

Earth
The sun radiates huge amounts of electromagnetic energy in all directions. Earth is only one small recipient of the sun's energy; the sun's rays extend far out into the solar system, illuminating all the other planets.

Test your true terrestrial trivia with our Earth quiz!

By Kenna Hughes-Castleberry published

This quiz will explore the science behind the scenery, the facts behind the familiar, and the wonders that make Earth a living planet.

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Inside the eye of Hurricane Erin, as seen by a U.S. Air Force "Hurricane Hunter" plane.

Fly through the eye of Hurricane Erin and see the powerful storm from space (video)

By Meredith Garofalo published

Take a flight with us to see Hurricane Erin through the eyes of NOAA satellites and the Air Force's Hurricane Hunters.

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