Two photos taken by astronauts – one at night and the other in daylight – show the peninsula of southern India.
Widespread winter storm conditions in northeastern U.S. New York not affected as strongly as expected, but strong effects farther north in Boston. Both cities come to a standstill.
Depending on the temperature and humidity of the air where the snowflakes form, the resulting ice crystals will grow into a myriad of different shapes.
Try it yourself! With a little preparation and a good camera and with a macro lens, you can take your own photos of snowflakes.
This little bird, that looks kind of like a flying penguin, has got scientists rethinking how polar ecosystems are changing in our warming world.
What happened when scientists realized aerosol sprays were harming Earth’s ozone layer, plus … an update on the Antarctic ozone hole.
When a raindrop hits a surface, tiny air bubbles burst from the drop in a fizz of aerosols. Watch the high-speed video.
The sun and moon, the shape of a beach and larger coastline, the angle of a seabed leading up to land, and the prevailing ocean currents and winds all affect the height of the tides.
Killer sushi, stoned dolphins, and zombies; the puffer fish is an animal steeped in scandal.
If you love extreme weather, outer space and photography, you’ll love this image of lightning inside Cyclone Bansi in the Indian Ocean, taken from ISS.
Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!
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?