Earth Science

A thermal infrared image of orchard water levels

Drones: The Citrus Industry’s New Beauty Secret

In the future, farmers will use unmanned drones to improve the appearance of their crops

Testing the Tango at the University of California Citrus Breeding Program

Design Specs for a Genetically Ideal Snack

How plant geneticists are growing convenience food on trees

Otavia is globular or ovoid in shape.

Oldest Animals Ever Discovered

The sponge-like organisms date back to about 760 million years ago, extending the known time span of animals by 17 percent

The Caldera of Santorini is today a ring of islands in the Aegean.

What Happens Before a Volcano Blows?

Volcanologists thought that the buildup to an eruption would take centuries. But this report adds to a suspicion that it can happen faster than expected

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This Week’s Breathtaking Aurora Borealis

Recent solar storms have triggered northern lights of unprecedented color and intensity

A sample of highly enriched uranium

What Is Enriched Uranium?

Naturally occurring uranium doesn't have enough of the fissile isotope U-235 to set off a nuclear reaction, but scientists found ways to increase the stuff

Mauna Loa (as seen from nearby Mauna Kea) is tall enough to have snow, at least when the volcano isn't erupting

The Tallest Mountains in the Solar System

Mount Everest is a just a peewee when compared with such giants as Olympus Mons on Mars

A lunar eclipse turns the moon reddish brown

How to Measure the Moon this Weekend

The people of Byzantium viewed a lunar eclipse as a bad omen, but today it's just another time to do science

Ecologists warn that New England's maples could be at risk

Ecology Explains How the World Works

This is not a glamorous science; no one will ever accuse an ecologist of being in it for the money

A false-color image of flooding in Bangkok, Thailand

Thailand’s Flooding, As Seen From Space

Bangkok residents have to avoid the crocodiles let loose by the flood

The Terkezi Oasis in Chad, as seen from Landsat 7

A Ghostly Scream From the Sahara

Superstitious sitings may have a root in human evolution

A storm rolls in above Bangkok

When The Skies Turn Black

There are signs when severe weather approaches, but are we paying enough attention?

The lunar feature Ina, an extremely young, unusual depression that may represent a gas eruption site on the Moon.

It’s a Gas, Man!

Irene created a new channel across a North Carolina barrier island

Building On A Barrier Island

These accumulations of sand aren't permanent but are home to whole communities

Could There Be a Solar Powered Road?

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How To Study A Volcano

Getting this close to a bubbling cauldron of lava is not just dangerous; it's stupid enough that even other volcanologists will yell at you

A hexagonal grain of iron sulfide in a diamond may be a flaw for jewelers, but it's useful data for scientists

Diamonds Hold Secret About Plate Tectonics

When it comes to diamonds in jewelry, perfection is everything. But imperfections are a clue to the past

Eyjafjallajökull

What’s the Most Dangerous Country?

Iceland is pretty much the least habitable of all the places that people have inhabited. But visiting it is like hiking through a geology textbook

Still from Cars 2

Top Ten Kids’ Movies With a Green Theme

Loggers, hunters, developers, fishers, polluters and whalers are the evil villains in this movie genre

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Earth From Space

Which of these images from the European Space Agency's Flickr stream would you consider hanging as art in your home?

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