Old Earthquakes
Aftershocks from major earthquakes in the Midwest go on for hundreds of years.
Satellite imagery can sense chemical changes in the soil, revealing pollution, potential landslides, and more.
Chemical innovations could make geothermal power a bigger player in alternative energy.
What really killed North America's large mammals at the end of the last ice age?
NASA's Lunar Reconnaissance Orbiter will send back unprecedented information about our closest cosmic neighbor.
NEWS FROM SPACE: Mercury's mystery side unveiled, to be or not to be a supernova, and the environmental considerations of expanding space exploration.
The MESSENGER spacecraft is giving scientists a first look at an entire half of the planet Mercury.
Comets may have provided the young Earth the molecules necessary for the formation of life.
COSMIC LIFE: Life on the ancient earth and beyond. The comet theory of the origins of life, how oxygen became abundant enough to support an explosion of life, a new method for locating life on other planets, and refuting the asteroid theory of dinosaur extinction.
Certain rocks could absorb carbon dioxide emissions – if scientists can speed up the process.
How to calculate the distance of stars, new uses for old rocks in the fight against global warming, and why video games might actually be good for your vision.
Widespread disease epidemics in the Americas may have set off a period of global cooling in the past.
Blue bananas hide in plain sight, life spurred earth's mineral diversity, boats sport manatee alarms, and more.
Earth's diverse array of inorganic minerals is the result of biological evolution.
Diamonds and precious metals in the American Midwest point to a cataclysmic explosion in Canada long ago.
Moon dust not only gets into space suits, it could jeopardize the health of future astronauts.
CO2's dangerous overlooked cousin, the origins of the southern hemisphere, why magnetic credit cards don't stick to the fridge and why so many white cats are deaf.
A new explanation for how the ancient supercontinent of Gondwana broke into the continents of the southern hemisphere.
Conservation Update: A species map for Madagascar, captive tigers could revitalize wild populations, beetles that make deserts and cooling it with trees.
A listener asks: Have many transitional fossils showing evolutionary links between major groups of animals been found in the fossil record?
Tiny microcrystals can tell us about the geological history of continents, and they also affect the health of the planet.