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 a volcano

Exploring a volcano

Watch volcanologists track a giant volcanic field in Chile — site of the fastest uplift on Earth. Laguna del Maule could change our c More »

Neutrinos

Neutrinos

Synopsis: To view neutrinos from distant explosions, astrophysicists have set up thousands of detectors in pure ice at the South Pole.

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 »

Watching a continental split

detail of labelled, satellite view of Baja California and Sea of Cortez

Seismic study shows crust thinning as continent divides, giving another view of our restless planet, showing tectonic movement in 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

rubble of buildings and damaged car on side of road, sky still cloudy

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 »