NASA, NOAA, and Japan Meteorological Agency all report 2014 as Earth’s warmest year since modern-day record-keeping began in 1880.
NOAA’s 2014 Arctic Report Card shows that amplified warming in the Arctic is leading to changes across the land and sea.
We can’t feel Earth’s rotation or spin because we’re all moving with it, at the same constant speed.
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.
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!
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.
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.
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.
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.
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?