Northern Hemisphere Winter Begins On December 21
As days grow shorter and temperatures drop, it may feel like winter has already arrived. However, the astronomical start of winter in the Northern Hemisphere is not until...
As days grow shorter and temperatures drop, it may feel like winter has already arrived. However, the astronomical start of winter in the Northern Hemisphere is not until...
San Francisco's California Academy of Sciences is mourning the loss of one of its most beloved residents. Claude, an alligator with striking white skin and red eyes, died...
A tiny traveler has joined Earth in its journey around the Sun. The object, named 2025 PN7, is a quasi-moon, an asteroid whose orbit closely matches Earth’s. This makes i...
Researchers have found the largest spider web ever recorded inside a sulfur-rich cave along the Greece–Albania border. The "spider megacity" covers an astounding 1,140 sq...
The next time you grumble about short winter days, think of Utqiaġvik (formerly Barrow), Alaska, the northernmost town in the United States. On November 18, 2025, its res...
Thousands of elk, deer, and other large animals move across Colorado each year. They graze in the lowlands during winter and return to the mountains in summer. But their...
Uranus and Neptune are often called "ice giants." This is based on the theory that they were made from materials that easily freeze in space, like water and ammonia. Howe...
The Karowe Mine in Botswana, Southern Africa, is famous for producing large, high-quality diamonds. Previous notable finds include the 1,758-carat Sewelô and the 2,492-ca...
Three taikonauts — the term for Chinese astronauts — aboard China’s Tiangong Space Station have had their trip home postponed after a piece of space debris struck their r...
Honey bees are vital to our food supply. They pollinate the flowers of many fruits and vegetables, supporting about 35 percent of the world's crops. In the US alone, the...
Isabella Orduna was paddling out for an evening surf at Steamer Lane in Santa Cruz, California, on October 15, 2025, when something nipped at her foot. Startled, she roll...
Every fall, Americans buy tens of millions of pumpkins for Halloween. Some are transformed into jack-o'-lanterns, while others are left whole for display. Sadly, interest...
Just in time for the season, Northeastern University’s Marine Science Center in Nahant, Massachusetts, has unveiled a lobster with Halloween colors. Aptly named Jack O’La...
Scientists in Florida have turned to an unusual tool in the fight against invasive Burmese pythons — remotely-controlled robotic rabbits.
Stargazers rejoice! A rare celestial visitor from the distant Oort Cloud is heading our way. The newly discovered Comet Lemmon will make its closest flyby of Earth in lat...
Methane is usually linked to global warming. But far below the ocean’s surface, three newly discovered sea spider species have found a way to use this greenhouse gas as a...
For the past 30 years, scientists around the world have been searching for planets beyond our solar system. Known as exoplanets, these worlds come in all shapes and sizes...
Climate change poses a serious threat to the Antarctic ecosystem. As temperatures continue to rise, sea ice is shrinking. This makes it harder for wildlife like seabirds,...
Super Typhoon Ragasa swept across parts of Asia this past week, leaving behind widespread flooding and destruction. Ragasa began as a small weather system on September 17...
Since 2020, young Iberian orcas from a critically endangered subpopulation of fewer than 40 individuals have been ramming, and even sinking boats in the Atlantic Ocean. T...
Earth’s atmosphere holds billions of gallons of water vapor. If captured, it could supply clean drinking water to over 2.2 billion people who do not have reliable access....
Fat Bear Week is back! From September 23 through September 30, 2025, Alaska's Katmai National Park will invite fans worldwide to vote for the park's fattest brown bear. N...
Dolphin communication has always intrigued scientists. The intelligent mammals use a range of noises to work together and stay connected. Some sounds even act like names,...
A rare comet from another star system is speeding through our solar system, giving astronomers a unique chance to study an interstellar visitor up close. Named 3I/ATLAS,...