7,733 results
- Earth
Greenhouse gas injections may unleash earthquakes
Plans to pump carbon dioxide into the ground to mitigate climate change could create other problems.
- Science & Society
Slight boost for U.S. climate research funding
While most science funding remains flat lined in President Obama’s 2015 budget, climate change research gets an increase.
- Planetary Science
Ancient Martian meteorite preserves chunks of planet’s early crust
Rock could reveal what Mars was like 4.4 billion years ago.
- Planetary Science
The ice of a distant moon
Jupiter’s moon Europa hides a liquid ocean, and conceivably life, under kilometers of ice. The challenge for engineers is how to penetrate that frozen barrier with technology that can be launched into space and operated remotely.
- Earth
Buying time when quakes hit
On the West Coast, geologists are developing an earthquake warning system that can provide seconds of notice before destructive shaking begins. The system could be ready before the next big quake hits.
- Earth
How the West was done
The tectonic history of North America’s Pacific Rim gets even more jumbled.
- Planetary Science
Mars rover fails to find methane
A dearth of the gas in the Red Planet's atmosphere disappoints scientists looking for signs of biological activity.
-
- Earth
Oxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
- Earth
Japan’s 2011 earthquake upped Tokyo’s risk
Chance more than doubled that capital city will soon experience big temblor, researchers calculate.
- Earth
Breakups maintain barchan dune fields, somehow
Two new theories try to explain how the crescent-shaped sand mountains persist.
- Earth
Life’s early traces
Tiny tufts, rolls and crinkles in 3.5-billion-year-old rocks add to a growing body of evidence suggesting that cellular life got a relatively quick start on Earth.
