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The NCAA Division I men's and women's basketball championships are the most widely-watched collegiate sporting events in the United States. The popular tournaments turn even the most casual basketball watchers into die-hard fans of teams with which they have no affiliation. Here is everything you need to know about the championships, popularly known as "March Madness."...

Saturday is April 1, or, as it is popularly called, Fools' Day. The holiday is celebrated by playing lighthearted pranks on family and friends. The origin of this fun tradition is unclear. Some believe it began in 1582 when France moved from the Julian calendar — which started the new year around April 1 — to the currently used Gregorian calendar. Anyone unaware that the new year now began on January 1 was pranked. Others think the custom began to celebrate the start of spring....

The recent discovery of the oldest-known vertebrate brain is giving scientists valuable insights into the evolution of the ray-finned fish species. The diverse group comprises about 50 percent of living vertebrate species. They include everything from trout to salmon and goldfish to seahorses....

The phrase "living under a rock" usually means being oblivious to what is happening in the world. But in Setenil de las Bodegas, the idiom takes on a literal meaning. Many of the Spanish town's 3,000 residents live in homes built inside the rock formations of a narrow gorge of the Río Trejo river....

On March 25, 2023, individuals, communities, and businesses worldwide will celebrate Earth Hour by turning off all lights and electronics for 60 minutes. The hour-long blackout will occur from 8:30 to 9:30 PM local time. The global event, held annually on the last Saturday in March, reminds us of the urgent need to protect our planet....

A giant mass of brown seaweed called Sargassum is heading toward North America. Experts estimate it is over 5,500 miles (8,851 km) long and weighs around 10 million tons. The seaweed is expected to wash ashore on beaches in the Caribbean and Florida in late spring or early summer of 2023....

Ramadan is the ninth and most sacred month in the Islamic lunar calendar. During this month, Jibril (the archangel Gabriel in the Judeo-Christian faith) revealed the first verses of the Quran — Islam's holy text — to Prophet Muhammad. The holy month's start is based on the appearance of the young crescent Moon. This year, Ramadan will begin at sundown on March 22nd or 23rd, depending on when the Moon is seen....

The United Nations (UN) member states recently announced a historic agreement to protect the world's oceans. The high seas treaty, unveiled on March 4, 2023, has been in the works for over a decade. It provides much-needed regulation to reduce pollution, overfishing, and habitat destruction in our ocean waters....

St. Patrick's Day was originally celebrated in Ireland with religious services and feasts. However, the holiday, marked annually on March 17, has now evolved into a secular commemoration of Irish culture. Here is a brief history of the man behind the holiday and some fun St. Patrick's Day customs....

When passengers aboard a Viking Expedition cruise spotted a massive creature in the frigid waters off Antarctica, they suspected it was special. However, they did not realize they had stumbled upon the extremely rare, giant phantom jellyfish (Stygiomedusa gigantea). Until then, there had been only 126 recorded observations of the species since its identification in 1910....

A holiday celebrating a math constant may not seem very exciting. But Pi ("π") Day, observed annually in the US on March 14 (3/14), is an exception. The celebrations usually start with math activities centered around pi — the ratio of the circumference of a circle to its diameter — widely recognized as 3.14. But they typically end with a slice or two of delicious pie!...

After a decade of exploring the surface of the Red Planet, the Curiosity rover has recently been looking up. On February 2, 2023, the NASA rover captured a stunning sunset on Mars. The image shows rays of sunlight stretching across the horizon, lighting up a mass of clouds....

An Australian Shepard Mix rescue dog who looks like Hollywood star Paul Rudd has found his permanent home. The February 20, 2023, announcement came just a week after the Collierville, TN, pooch, nicknamed Pawl Ruff, went viral on social media....

Daylight Saving Time (DST) begins on March 12, 2023. On this day, most North Americans will "lose" an hour by moving their clocks forward sixty minutes. The simple action will allow residents to enjoy longer days in spring and summer....

On February 27, 2023, British teenager, Mia Brookes, became the youngest-ever snowboarding world champion. The 16-year-old achieved the feat after winning the gold in the slopestyle event at the FIS Freestyle Ski and Snowboarding World Championships in Bakuriani, Georgia. Brookes is the first British athlete to win the title....

On February 3, 2023, a Norfolk Southern freight train, en route from Illinois to Pennsylvania, derailed in East Palestine, Ohio. Five of the 38 derailed cars contained toxic chemicals. They sparked a massive fire sending heavy smoke in the air. Concerned about more explosions, authorities asked people living within a one-mile area of the site to evacuate....

The seven monarchies of the United Arab Emirates (UAE) are known for their mega projects. Dubai, the UAE's largest and most populous emirate, is home to the world's tallest building, biggest mall, and largest man-made island. Now, Saudi Arabia has announced plans to build the "World's Largest Inner City Building" in the capital city of Riyadh....

In 2012, Michael Skvarla noticed a massive dead insect outside a Walmart in Arkansas. The Director of Penn State University's Insect Identification Lab thought it looked interesting and took it home. However, it was not until recently that the scientist realized he had picked up a rare, Jurassic-era bug....

Celebrated annually in March, Women's History Month honors the accomplishments of trail-blazing women throughout US history. This year's theme is "Celebrating Women Who Tell Our Stories." It recognizes women, past and present, who have been active in all forms of media and storytelling. Here are three inspiring females who have used the power of the pen to make a difference....

What better way to welcome spring than by covering your friends with colored powder? That is the essence of the popular Indian festival of Holi, also known as the Festival of Colors. The date of the fun holiday is determined by the Hindu calendar. In 2023, Holi will fall on March 8....

Malaria is a life-threatening disease caused by parasites. It is transmitted to humans through the bites of infected female mosquitoes. Malaria can be found in most tropical and subtropical climates. But Africa is the most affected for a number of reasons. In 2021, 619,000 people died of malaria worldwide. Most were young children in sub-Saharan Africa. However, there is hope. Two recently-approved vaccines may provide some protection against this deadly disease....

The health impacts of outdoor air pollution are well-known. But indoor air pollution, caused by emissions from building materials or even air fresheners, can be just as harmful. Yet, there are no widely-accepted methods to detect the toxins. But researchers at the University of Turku in Finland hope to change that with the help of tiny glowing worms....

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....