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2014-warmest-cp
Science Wire | Jan 17, 2015

2014 warmest year on record

NASA, NOAA, and Japan Meteorological Agency all report 2014 as Earth’s warmest year since modern-day record-keeping began in 1880.

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Blogs | Jan 17, 2015

Arctic continues to warm at twice global rate

NOAA’s 2014 Arctic Report Card shows that amplified warming in the Arctic is leading to changes across the land and sea.

earth_300
FAQs | Jan 16, 2015

Why can’t we feel Earth’s spin?

We can’t feel Earth’s rotation or spin because we’re all moving with it, at the same constant speed.

Mawson, McKay and David on January 16, 1909.
This Date in Science | Jan 16, 2015

This date in science: Near discovery of South Magnetic Pole

Like all Antarctic journeys in the early 1900s, the search for magnetic south was grueling. The outcome was unclear, but the effort is still remembered today.

A research team analyzed sizes for storied sea creatures like whales and sharks and for lesser-known giants like tube worms. View larger. | Image credit: Matthew Maxwell and Pablo Alvarez Vinagre at StudioAM
Science Wire | Jan 15, 2015

See comparative sizes of ocean giants

This image shows the body size for 25 marine species, including whales, sharks, squids, and other ocean giants. Check out the little human swimmer in each row!

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Science Wire | Jan 15, 2015

Success! Two men complete historic climb at Yosemite’s El Capitan

Two Americans have become the first to free-climb Yosemite National Park’s Dawn Wall, which has been called the hardest rock climb in the world.

Image via Ethan Siegel, Simon Swordy, NASA
FAQs | Jan 14, 2015

What is radiocarbon dating?

Unstable carbon-14 gradually decays to carbon-12 at a steady rate. The ratio of these carbon isotopes reveals the ages of some of Earth’s oldest inhabitants.

Tolbachik volcano in Russia in 2013.  Photo by Liudmila and Andrey.
Science Wire | Jan 14, 2015

The world’s hottest volcanos

Kilauea ranks hottest in terms of total energy. It’s been erupting for decades. Meanwhile, Iceland’s Holuhraun eruption radiated the most heat for a single event.

Image credit: Angus McNab/Julie McMahon
Science Wire | Jan 11, 2015

Dogs arrived in Americas only 10,000 years ago, says study

By associating with early humans, dogs enjoyed new foods and the relative safety of human camps. Eventually, dogs traveled the world with their two-legged masters.

7-billion-population
Science Wire | Jan 06, 2015

Video: Human population by the billions

When did our human population reach one billion? How long to add each billion after that, to bring us to the 7+ billion humans on Earth today? What’s next?