Twenty-four years ago, on September 11, 2001, the United States (US) faced the deadliest terrorist attacks in its history. The attacks were carried out by members of the Islamic extremist group al-Qaeda. They killed 2,977 innocent people, leaving a lasting impact on the US....

While working at an archaeological site on Okinawa Island in Japan, Professor Yousuke Kaifu from the University of Tokyo pondered over some ancient tools. Dating back 30,000 years, they hinted at human arrivals from both the north and south....

Barbie's Fashionistas line celebrates diversity and self-expression through a wide range of dolls. Launched by Mattel in 2009, the collection includes dolls with different body types, skin tones, and medical conditions. This includes dolls who are blind, have Down syndrome, and use a wheelchair or hearing aids. On July 8, 2025, the lineup welcomed a powerful new addition: a Barbie with Type 1 diabetes (T1D)....

Every June, thousands of cyclists gather in Motala, Sweden, to participate in one of the world's longest and most iconic bike races — the Vätternrundan. This event, held on June 13 and 14 in 2025, requires riders to complete a staggering 196-mile (315 km) loop around Lake Vättern, Sweden's second-largest lake....

Over the Fourth of July holiday weekend, the Hill Country region in Central Texas experienced intense rainfall. This caused the Guadalupe River, which runs through much of the area, to surge over 26 feet (7.9 m) in about 45 minutes. The rapid rise triggered one of the worst flash floods in US history. The water swept through entire communities with little warning, engulfing land and washing away vehicles, buildings, and bridges. Thousands of residents lost their homes and businesses. As of July 25, 2025, 138 people have died — the 10th-highest toll on record for a US flash flood. Three are still missing....

For most climbers, summiting Mount Everest is a once-in-a-lifetime achievement. But for Kami Rita Sherpa, it is just another day at work. On May 31, 2025, the 55-year-old Nepali climber stood atop the world’s highest peak for the 31st time. He broke his own world record for the most ascents of Everest....

For most people, June 13 — which falls on a Friday this year — will simply signal the start of another weekend. But for the over 20 million Americans — and many more worldwide — who suffer from paraskevidekatriaphobia, it will be the unluckiest day of the year. No one knows how Friday the 13th became so feared. But there are a few theories....

The Magna Carta, or "Great Charter," is one of the most important documents in the history of democracy. It introduced the idea that no one — not even the king — is above the law. The charter helped shape the founding principles of many nations, including the United States....

For centuries, the world beneath Antarctica’s thick ice shelves remained one of Earth’s greatest unknowns. No one knew what, if anything, lived there. That changed when a massive iceberg, roughly the size of Chicago, unexpectedly broke away. This rare event gave scientists a once-in-a-lifetime chance to explore a part of the planet that had never been seen before....

On April 23, 2025, the Philadelphia Zoo introduced four female hatchlings of the critically endangered Western Santa Cruz Galápagos tortoises to the public. The new arrivals were named Dorothy, Rose, Blanche, and Sophia — after characters from the iconic television series The Golden Girls. They are the first of their kind to be born at the zoo in its 150-year history. Prior to this, there were only 44 Western Santa Cruz tortoises in US zoos, including three at Philadelphia....

Just when it seemed every color under the sun had been named, researchers at the University of California, Berkeley, have identified a new one. Called “olo,” this shade lies outside the normal range of human vision. It can only be seen under specific conditions using a laser. The five people who have seen "olo" describe it as a "blue-green of unprecedented saturation."...

Sharks have always been considered silent swimmers. Unlike most fish, these top ocean predators lack sound-producing organs. But recent research suggests this might not be true for all sharks. At least one species produces noise, challenging our understanding of these stealthy hunters....

A glowing green comet is captivating skywatchers across the Northern Hemisphere. Comet C/2025 F2 (SWAN) was first spotted by amateur astronomer Michael Mattiazzo on March 29, 2025. He discovered it while looking through images from the Solar Wind Anisotropies camera aboard NASA's Solar Heliospheric Observatory. Since then, the comet has been seen multiple times with the help of telescopes....

A powerful earthquake rocked Myanmar on March 28, 2025. The magnitude 7.7 tremor devastated Mandalay, the country’s second-largest city. As of March 31, officials have confirmed more than 1,700 deaths. Over 3,400 are injured, and 139 people are still missing....

A day before his 37th birthday, Golden State Warriors point guard Stephen Curry became the first NBA player to reach 4,000 career three-pointers. The milestone shot came in the third quarter on March 13, 2025, during a game at San Francisco's Chase Center against the Sacramento Kings. The Warriors went on to win, 130-104, in front of a roaring home crowd....

Running a single marathon is hard enough for most people. Now, imagine doing it seven times on seven continents in less than 168 hours — or seven days. That is exactly what the annual World Marathon Challenge dares participants to accomplish. As if that were not enough, they also compete for the fastest total time across all seven races....

When NASA astronauts Sunita Williams and Butch Wilmore launched for the International Space Station (ISS) aboard Boeing’s Starliner on June 5, 2024, they expected to be back within eight days. However, concerns about the spacecraft's safety extended their stay at the ISS for nine months. The astronauts finally returned to Earth aboard the SpaceX Dragon on March 18, 2025....

The NCAA Division I men's and women's basketball championships are among the most widely watched collegiate sporting events in the United States. These games transform even casual basketball fans into loyal supporters of teams they may have never followed before. Here is everything you need to know about what is popularly known as "March Madness."...

A holiday dedicated to a math constant might not sound thrilling. But Pi ("π") Day, celebrated annually in the US on March 14 (3/14), is an exception. The festivities usually start with pi-themed activities to celebrate the ratio of a circle’s circumference to its diameter (approximately 3.14). But they almost always end with a delicious slice of pie....

St. Patrick's Day, celebrated annually on March 17, is a lively holiday that honors the most famous of Ireland's three patron saints. Though widely known for its parades, shamrocks, and everything green, the day's roots are steeped in history....

California’s famous bald eagle couple, Jackie and Shadow, are proud parents of triplets. The first eaglet hatched late on March 3, 2025. The second followed shortly after in the early hours of March 4. The third and final eaglet popped out of its eggshell four days later, on March 8. These are the couple’s first successfully hatched chicks since one named Spirit emerged three years ago....

On March 9, 2025, most Americans will begin Daylight Saving Time (DST) by moving their clocks ahead an hour. The time change will result in a loss of an hour of sleep or free time on Sunday. However, it will allow for longer days during the upcoming spring and summer months....

Ramadan is the ninth and most sacred month in the Islamic lunar calendar. During this month, archangel Jibril revealed the first five verses of the Quran — Islam's holy text — to Prophet Muhammad. The start of the holy month is determined by the appearance of the new crescent moon. This year, Ramadan is expected to begin at sundown on or around February 28, 2025....

Israel and Hamas signed a ceasefire agreement on January 15, 2025. It marks the first step in ending the 15-month conflict, which has killed thousands and caused widespread devastation in Gaza. The United Nations estimates that 1.9 million of Gaza’s 2.4 million residents have been displaced by the war....