View from space: Aurora stretching across Quebec and Ontario on October 8

Orbiting satellite acquired view of an aurora, seen from above, on October 8, 2012. These northern lights resulted from a storm on the sun several days earlier.

James Holden explores life thriving in deep, hot undersea vents

Deep in cracks of hot undersea volcanoes, microbes inhale hydrogen and carbon dioxide and exhale methane. They might help scientists understand life beyond Earth.

Photos from friends: Beautiful auroras on October 8-9, 2012

CME that left sun on October 4, 2012 interacted with Earth's magnetic field, causing beautiful displays of the aurora, or northern lights, on night of October 8-9.

View from space: Sea ice 2012 versus sea ice 1984

Two maps, created from satellite data, compare the Arctic ice minimum extents in 2012 and 1984.

Amazonian tree rings reveal past rainfall

Scientists used tree rings from just eight cedar trees in Bolivia to make a detailed picture of rainfall patterns across the Amazon basin over the last century.

New Symphony of Science video on climate change

If you don’t think global warming is real, or dislike autotune, this isn't for you. As for me ... I love it. We can change the world!

How is pollution changing Lake Baikal?

Some unique life that's evolved over millions of years in Earth's oldest and deepest lake is in trouble.

GOES-14 satellite drifts eastward to replace malfunctioning GOES-13

GOES-14 weather satellite is drifting 0.90 degrees per day. It'll take all of October to drift to the place where the ailing GOES-13 satellite is now.

Brightest biological substance reveals its secret

The cells of an African fruit have walls made of tightly coiled cellulose strands that are excellent for reflecting light.

October 1, 2012 geomagnetic storm now subsiding

A coronal mass ejection, or CME, from the sun caused Earth to experience a geomagnetic storm in the early morning hours of October 1, 2012.