Saturn’s largest moon in a color map

Scientists piece together six years of images from the Cassini mission to create a mosaic of the surface of Titan -- Saturn's largest moon.

iPhone morphs into medical imaging device

A simple add-on to the iPhone transforms it into a life-saving medical device.

Using Landsat to monitor our water use from space

Monitoring our water use from space with pinpoint accuracy, even at the scale of individual fields. Read more about LandSat with Martha Anderson.

Real-life clan of cave bear had child artists

If you have seven minutes, please watch this fascinating video about the art of the Rouffignac caves in France, made by people 13,000 years ago.

Cleaning up nuclear waste with bacteria

Scientists say that a common bacteria known as Geobacter might prove an effective way of cleaning up nuclear waste. Read more about it here.

ALMA telescope outperforms with release of first image

Astronomers capture a test image with the ALMA telescope, showing the Antennae Galaxies in wavelengths roughly one thousand times longer than visible light.

Aquaculture and antibiotics: Their problematic relationship

Antibiotics are one of the oft-cited reasons to curtail aquaculture. But should we constrain the aquaculture - or the antibiotic use?

Two tornadoes strike South Africa

Two tornadoes hit parts of South Africa on October 2, 2011. At least 150 people were injured and one person dead in Duduza and Ficksburg, South Africa.

Ophelia packs powerful winds as it pushes into Newfoundland

Ophelia has now weakened from a hurricane to a tropical storm as it pushes into Newfoundland today. Its winds still pack a punch at 70 miles per hour.

2011 Arctic sea ice minimum second-lowest in satellite record

Watch for the official announcement about 2011 Arctic sea ice minimum, coming soon. Expect to hear that 2011 proved to be a year of extreme melt.