Ancient water = ancient habitat?

Ancient water = ancient habitat?

Geologic dating shows that water has been trapped more than 2 kilometers underground since before the Cambrian explosion. This water More »

Exploring the big! volcano

Exploring the big! volcano

How do scientists predict an eruption? Watch volcanologists track a giant, active volcanic field in Chile’s Andes Mountains. More »

Super-volcanoes!

Super-volcanoes!

Take a modern volcano, and multiply it by 1,000. That’s a super-volcano. Their rare eruptions change landscapes and weather. How long More »

Ocean fish in hot water

Ocean fish in hot water

The ocean’s most valuable fish are caught in a vise. Areas known as dead zones are encroaching on their living zones and pinning them More »

Science on the road!

Science on the road!

Hitting the road? What could be more enlightening than gawking at a cave, exploring a desert, or eyeballing the largest telescope in More »

Tornado prediction

Tornado prediction

Three essential elements drive a tornado: Wet air, dry air, and wind shear. What explains the big improvement in tornado prediction? More »

Tsunami: The killer wave

Tsunami: The killer wave

Could an offshore earthquake start a deadly tsunami, as in Sumatra and Japan? Where do tsunamis get their power? How do warning systems More »

Climate: Simple = beautiful?

Climate: Simple = beautiful?

Earth’s orbit subtly changes over thousands of years, in complex cycles that affect the timing and delivery of sunlight to various More »

State of the rivers: Ruinous?

State of the rivers: Ruinous?

Rivers bring water. They house amazing biodiversity. And they are being polluted, tapped, dammed and diverted at a frightening rate. More »

When earthquakes break…

When earthquakes break...

How do rocks move? What governs how long and violent an earthquake will be? Should we worry about a powder between the grinding rocks? More »