Earth

The streak of record warm months continues, thanks to El Niño and global warming

It's the 36th anniversary of the eruption of Mount Saint Helens. Please take a moment to remember those who died that beautiful May morning, and to appreciate the power of a volcano to change our lives forever

Even though China has a non-market economy, it has learned from mistakes in Europe and California

Dust clouds from the Sahara reach the Caribbean—and fertilize waters there when they arrive. Christopher Intagliata reports.

Bubbles in 2.7-billion-year-old lava fields suggest Earth's ancient air was half as thick as today's

Caltech theoretical physicist Sean M. Carroll talks about the necessary connections among the various ways we have of describing the universe.

Raindrops eject carbon-based blobs of soil material from wet fields, creating a mist of organic compounds above the soil. Christopher Intagliata reports.

Recent seismic swarms under Mount Saint Helens show she's recharging her magma chamber. So why am I disappointed?

Evidence confirms dramatic climate change effects in the Solomon Islands

There's something wonderfully thrilling about geologic maps of places we've never mapped that way before! Scientists recently mapped a brand-new island and produced a beautifully detailed map of Mercury. Come see what those maps reveal

Former Scientific American editor Mark Alpert talks about his latest science fiction thriller, The Orion Plan, featuring the method whereby aliens most likely really would colonize our planet.
 

Water scarcity poses a greater risk of turmoil under global warming, the World Bank argues