Climate change explored by William Chameides

In releasing its final report to U.S. Congress on May 12, 2011, an NRC committee affirms that climate change is occurring and that human activities play a role.

Climate change risk is growing, says NRC report

The America's Climate Choices report calls out a pressing need for immediate action to limit the magnitude of climate change and prepare to adapt to its impacts.

Martian Summer by Andrew Kessler

Writer Andrew Kessler spent a summer embedded with the NASA team that oversaw the Phoenix Mars Lander. His book Martian Summer recounts the experience.

Flipped orbits for some hot Jupiters

Planets form from a vast rotating cloud of gas, but some of these systems the have flipped orbits. The star is spinning one way and the planet is orbiting in the opposite direction.

Removing CO2 from air not viable technology, study concludes

A committee of 13 experts says that Direct Air Capture can't efficiently remove extra CO2 from the air. But carbon capture and storage might.

Whale sharks amaze scientists by feeding in large groups

In August 2009, marine biologists were stunned to see about 420 whale sharks feeding as a group in waters off the Yucatán Peninsula.

Can parsley and celery help fight breast cancer?

Study suggests that parsley, celery, and other fruits and nuts can arrest certain breast cancer tumors.

Arctic now reinforcing own warming

Researchers say feedback mechanisms are now at work in the Arctic to increase warming. In other words, the Arctic is now reinforcing its own warming.

Carbon structures may exist deep within the Earth

Two new studies shed light on how carbon structures are stored deep within the Earth - in Earth's mantle - which has not yet been penetrated.

Energy choices today will have lasting effects

People's energy choices today, says Adam Newton of Shell, will make a big difference in what the future of energy use will look like.