Water is essential for life on Earth. Yet, scientists currently have comprehensive information on just a few thousand lakes worldwide. A NASA-led international mission plans to change that with the first-ever global survey of nearly all water on Earth's surface....

Egypt's Great Pyramid of Giza, which stands 481 feet (147 meters) high, is the world's tallest pyramid. But the world's largest pyramid lies half a world away in Cholula, Mexico. Tlachihualtepetl, or the Great Pyramid of Cholula, is about 217 feet (66 meters) tall with a base of 1,476 by 1,476 feet (450 by 450 meters). The pyramid boasts a total volume of 157 million cubic feet (4.45 million cubic meters). This is almost twice that of the Great Pyramid of Giza....

In recent weeks, four mysterious objects have been seen in the skies above North America. All were shot down by US fighter jets. However, authorities are still investigating their origin and purpose....

California's Yosemite National Park is famous for its ancient giant sequoia trees and massive rock formations. These include El Capitan and Half Dome. However, from mid-to-late February, the main draw is the Horsetail Fall. The seasonal waterfall flows over the eastern edge of El Capitan every winter. During the last two weeks in February, it often transforms into a stunning "Firefall." The natural phenomenon occurs around 5 to 15 minutes before sunset. It lasts just a few minutes....

Colossal Biosciences is on a quest to bring back extinct animal species. In the past year and a half, the company has announced plans to recreate the woolly mammoth and the Tasmanian tiger. On February 2, 2023, the Texas-based startup added the dodo bird to its de-extinction list. If successful, these efforts could open the door to a new era of biodiversity....

An ongoing drought and excessive water usage have caused the water levels at Utah's Great Salt Lake to hit historic lows. Since 1850, the lake has lost 73 percent of its water and 60 percent surface area. A January 4, 2023, report by scientists at Brigham Young University warns that the saline lake could disappear within five years if no action is taken....

On February 14, 2023, millions of people worldwide will celebrate Valentine's Day. In the United States, the romantic holiday is marked by giving candy, flowers, and gifts to loved ones. However, other countries celebrate the holiday differently. Some don't even observe it on February 14! Here are some interesting Valentine's Day customs from around the world....

Electric vehicle (EV) sales have seen a significant increase in the last three years. But their global market share is still very low. It varies from 16 percent in China to about 4.5 percent in the US. One of the biggest obstacles to the widespread adoption of EVs is the shortage of public charging stations. California-based Aptera Motors hopes to alleviate the issue with its new, solar-powered EV....

A series of powerful earthquakes have devastated large areas of Turkey and Syria and killed thousands of people. The first quake measured at 7.8 magnitude. It struck the southeastern region of Turkey, bordering Syria, early morning on February 6, 2023. As the world was still digesting the news the are was hit by two more large tremors. They measured at 7.5 magnitude and 6.0 magnitude, respectively....

On February 12, 2023, about 193 million Americans will tune in to watch Super Bowl LVII. The National Football League's Championship game between the Philadelphia Eagles and the Kansas City Chiefs will certainly be exciting. But for most people, the game is an excuse to host or attend parties and indulge in foods they usually avoid. Super Bowl Sunday is one of the country's biggest food consumption days. It is second only to Thanksgiving!...

A 30-year-old farm dog named Bobi has just been recognized by Guinness World Records as "the oldest dog living." The February 1, 2023, announcement came just two weeks after a 23-year-old Chihuahua named Spike received the title. Bobi also broke an almost century-old record for "the world's oldest dog ever." It had been held by Bluey, a female Australian cattle dog. She was 29 years and five months old when she died in 1939....

Early this morning, thousands of people gathered at Gobbler's Knob, Pennsylvania, to witness Punxsutawney Phil make his annual weather prediction. Those hoping to get relief from this year's bitterly cold winter were disappointed....

A "replica" sword that had been gathering dust at Chicago's Field Museum for about a century was recently found to be an authentic artifact from the late Bronze Age. The 3,000-year-old weapon was found in the Danube River in Budapest, Hungary, in the 1930s. It was given to the Hungary National Museum but later acquired by the Field Museum. Here, the sword was mislabeled as a copy and placed in storage....

An international team of scientists has created a robot that seamlessly goes from a solid to a liquid state and back again. The feat may sound magical. But it is rooted in science....

The first phonetic alphabet — where each symbol stands for a certain sound — is credited to the Canaanites. They lived in the Eastern Mediterranean over 2000 years ago. Over the years, archaeologists have found some of these symbols on old pottery pieces. Now, they have discovered the oldest complete sentence written in this alphabet on an ancient lice comb....

Every February, the United States recognizes Black leaders throughout history and today. This year, Black History Month celebrates "Black Resistance." Here are three extraordinary young women who have fought to make a difference in their communities....

ChatGPT has become a viral sensation since it opened to the public on November 30, 2022. The AI-powered tool went from zero to a million users in just five days! This is the fastest any platform has grown. Its ability to provide in-depth answers to user queries has even drawn the attention of prominent technology companies....

Jaclyn Gartner, the founder of Happily Furever After Rescue in Connecticut, was scrolling through photos of shelter pups last summer. A seven-year-old dog named Van Gogh caught her eye. The former stray pooch had been used as bait in a dog fighting ring. His left ear was so damaged that it had to be surgically removed....

Nine-year-old Molly Sampson and her 17-year-old sister Natalie had only one item on their Christmas list last year. They wanted chest-high waterproof overalls to "go shark's-tooth hunting like professionals." Their wish was granted. On Christmas morning, the sisters set out to Maryland's Calvert Beach with their father to put their new equipment to use....

Despite technological advances, modern concrete structures start to crumble in just 50 years if not maintained. This contrasts sharply with Italian monuments that remain standing after over 2,000 years. Now, an international research team has finally uncovered how Roman concrete wonders continue to survive to this day....

Researchers at the Massachusetts Institute of Technology (MIT) recently unveiled a paper-thin solar cell that could turn any surface into a power source. The device is thinner than a single strand of human hair. It weighs about 100 times less than standard solar cells....

The series of winter storms that have battered California since late December finally began to wind down on January 17, 2023. The historic levels of rain and snow have caused rivers to overflow and flooded roads and homes. Thousands of people were forced to evacuate. Millions lost power at some point during the three-week-long deluge of rain. At least 20 people have died in connection with the storms....

On January 22, 2023, over 1.6 billion people of Asian descent worldwide will celebrate the first day of the Chinese New Year, also called Lunar New Year. In China, the festivities last for two weeks and include many fun customs and traditions. Millions of city dwellers head home to spend the important festival with friends and family. The spring travel rush, or Chunyun, results in the world’s largest seasonal human migration....

A remote area in Antarctica has been identified as the "coldest place on Earth." According to NASA, the temperatures in the East Antarctic Plateau can dip to a bone-chilling -136° F (-93.3° C). That is several degrees colder than the previous low of -128.6° F (-89.2° C) set in 1983 at the Russian Vostok Research Station in East Antarctica....