Science word of the day: Cenozoic Pronunciation: See-noh-ZOH'-ihk What it means: The ascendency of mammals, the birth of the Himalayas, the diversification of birds ‪—‬ Earth's in its Cenozoic era, baby! The Cenozoic is the geological era happening right now. It started 66 million years ago with the...

Redheads are a rare breed, with people who sport ginger locks making up less than 2% of the global population. With such low numbers, would it be possible for red hair to go "extinct," leaving people with natural hair hues ranging from black to blond, with nary a hint of red? In a word, no. Experts ...

About 40 minutes after it landed on Mars on July 20, 1976, NASA's Viking 1 lander sent this first photo from the surface of the Red Planet. (Image credit: NASA/JPL) Quick facts What it is: The surface of Mars Where it is: 189 million miles (305 million kilometers) from Earth When it was shared: Jul...

Great white sharks can launch themselves clear out of the ocean, but why they breach so dramatically remains one of marine biology's biggest mysteries. "Air Jaws: Red, White and Breach", premiering during "Shark Week" 2026, follows a team of filmmakers and scientists as they investigate the shark's ...

Two meteor showers will peak together overnight on Thursday, July 30, into Friday, July 31 — but skywatchers should expect a moonlit challenge rather than a dazzling display. Both the Southern Delta Aquariids and the Alpha Capricornids reach maximum activity just one night after July's full Buck Moo...

Science word of the day: Pando Pronunciation: PAN'-doh What it means: In Latin, "Pando" means "I spread." And boy, does it. Pando is a clonal stand of aspen trees in Utah that weighs about 13 million pounds (6 million kilograms), making it the world's heaviest living organism ever found. Its 40,000 ...

QUICK FACTS Name: Relief fragment with vanquished enemies What it is: Painted sandstone Where it is from: Luxor, Egypt When it was made: Circa 1427 to 1400 B.C. The ancient Egyptians sometimes reused crafted materials. This block, which features a battle scene, was likely created during the reign o...

The total solar eclipse on Aug. 12, 2026, will bring thousands of photographers to a narrow path of totality through eastern Greenland, western Iceland and northern Spain. For many, it will be their first opportunity to witness totality, the brief period when the moon completely covers the sun and r...

As recently as 2019, U.S. military health researchers had concerns about testosterone levels among the troops. Their worries were not that male service members didn't have enough of the hormone, as current Defense Secretary Pete Hegseth fears. Instead, experts worried about the troops' inappropriate...

Richard Feynman was a serious physicist who loved to answer unserious questions. Can math tell you how to order the optimal lunch? Can a human track scents like a bloodhound can by smelling his own footprints? Now, researchers have picked up one of Feynman's most curious unanswered questions by look...

The twice-yearly changing of the clocks could be a thing of the past if legislation currently in Congress that calls for permanent daylight time makes it through

Heavy smoke from Canadian wildfires is darkening skies in parts of the U.S. The smoke on Thursday reduced visibility for commuters from the Great Lakes to parts of the East Coast