As a mountain guide, Kami Rita is following in the footsteps of his father. But he says he doesn't see much of a future in the industry for his son, as climate change makes the job more dangerous.

This 55-Year-Old Sherpa Guide Just Summited Mount Everest for the 31st Time, Breaking His Own Record

Kami Rita has been scaling the world’s tallest mountain since 1994. He reaches the summit nearly every year—and sometimes twice in the same year

"Purdubik's Cube" was developed and built by undergraduate students Junpei Ota, Aden Hurd, Matthew Patrohay and Alex Berta.

This Record-Setting Robot Can Solve a Rubik’s Cube Faster Than You Can Blink

Designed by a group of undergraduate students at Purdue University, the robot completes the puzzle in 0.103 seconds

Pearl (left) is a 4-year-old Chihuahua, while Reggie (right) is a 7-year-old Great Dane.

When Reggie, the World’s Tallest Dog, Met Pearl, the World’s Shortest Dog

He was a massive Great Dane. She was a pint-sized Chihuahua. During one adorable playdate, the two superlative pups became fast friends

Caught on Lake Livingston near Houston using a two-pound line, the massive alligator gar weighed 153 pounds.

Angler Catches 153-Pound Behemoth in Texas Using Ultra-Light Tackle, Likely Setting a New World Record

Art Weston and Kirk Kirkland reeled in and released the enormous freshwater fish, known as an alligator gar, after a four-hour battle on Lake Livingston

Ronin the African giant pouched rat is one of more than 100 rats trained by a Belgian nonprofit to sniff out deadly land mines.

Super-Sniffing Rat Sets a New World Record for Discovering Deadly Land Mines—and He’s Just Getting Started

Ronin, a 5-year-old African giant pouched rat, has found 109 land mines and 15 other unexploded ordnances in Cambodia

Developed by Australian biomedical engineer Daniel Timms, the titanium heart device is being used as a stopgap until patients can undergo transplant surgery with a donor heart.

Australian Man Makes History by Living With a Titanium Heart for More Than 100 Days Before Receiving a Transplant

The man, who was in his 40s and suffering from severe heart failure, was also the first person to leave the hospital with a titanium heart. He is recovering well after getting a new, donor heart

The Vegetable Orchestra performing in Madrid in 2013

How the Vienna Vegetable Orchestra Performs Music Using Carrots, Turnips, Radishes and Pumpkins

The band has now secured a world record for playing more than 340 concerts on instruments made from produce. After each concert, the band members serve soup to the audience

Fumika Fujibuchi, an official adjudicator for Guinness World Records, certified the park in late February.

See the World’s Smallest Park, a Teeny-Tiny Enclave in Japan That’s About the Size of Four Sheets of Paper

The record-breaking park features some grass, a seat and a decorative stepping stone. It’s even smaller than Mill Ends Park in Portland, Oregon, which had held the title since 1971

Barrington Scott, shown here diving in Malta, traveled to all seven continents to scube dive between November 13 and December 3, 2024.

This Man Just Set a New World Record for Scuba Diving in All Seven Continents

Barrington Scott began his 27,000-mile quest in Australia and completed it in Antarctica. The journey took him 19 days, 19 hours and 40 minutes

The four-stud Lego brick and the one-stud Lego brick sculptures, pictured alongside a piece of hair

This Lego Brick Is About the Size of a Human White Blood Cell. It Just Became the World’s Smallest Sculpture

Created by microscopic artist David A. Lindon, the record-breaking sculpture measures just 0.00099 by 0.00086 inches and can’t be seen with the human eye

When it opened in May 2005, Kingda Ka was the world's tallest and fastest roller coaster. It's now the second-fastest, but it's still the tallest.

Thrill Seekers Say Goodbye to the World’s Tallest Roller Coaster

After towering over Six Flags Great Adventure in New Jersey for two decades, Kingda Ka is slated for demolition—and fans are sharing their favorite memories of the iconic ride

The 166-pound Florida panther is an adult male around ten years old.

Scientists Find the Heaviest Florida Panther on Record, a Giant Cat Tipping the Scales at 166 Pounds

Wildlife officials in Florida captured and collared the adult male feline during a routine population check in late January

NASA’s Boeing Crew Flight Test astronauts Butch Wilmore and Suni Williams in June 2024. The duo took their first spacewalk together on January 30, 2025.

NASA’s Starliner Astronauts Take Their First Spacewalk Together After Roughly Eight Months on the ISS

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on spacewalks in history

One of the first-ever images of the Mount Lyell shrew in California

See the First-Ever Photographs of the Elusive Mount Lyell Shrew, Finally Caught on Camera in California

A group of young researchers captured and photographed the animal on a three-day expedition to the Eastern Sierra Nevada

An illustration of the Parker Solar Probe approaching the sun

A NASA Spacecraft Will ‘Touch’ the Sun on Christmas Eve, Flying Closer to the Star Than Any Probe Before

The Parker Solar Probe will endure scorching temperatures of 1,700 degrees Fahrenheit as it performs the closest solar flyby of any human-made object in history

The tail, or fluke, of a humpback whale is identifiable, like a fingerprint is for a human.

Humpback Whale Makes Record-Breaking 8,000-Mile Migration Across Three Oceans, but the Reason Is Still a Mystery

Biologists say mating, climate change or simply being confused might have driven the creature to swim great distances, between Colombia and Zanzibar

Researchers found that in 2023, a decrease in low-altitude clouds, specifically over the Atlantic Ocean, drove an increase in the planet's temperature.

Scientists Find Another Reason Why 2023 Was So Hot: a Decline in Low-Lying Clouds

According to new research, Earth might have reflected less solar radiation last year than in any other year since 1940, a trend that adds to the planet’s warming

More than 3,000 known dragonfly species exist.

14 Fun Facts About Dragonflies, From Their Lethal Hunting Prowess to Incredible Migratory Feats

The colorful insects can help humans by eating mosquitoes and will gather in mysterious swarms

The sun sets over Death Valley, California, on July 7, 2024, a day when its temperature reached 129 degrees Fahrenheit.

Climate Scientists Project 2024 Will Be the Hottest Year on Record—and the First to Pass 1.5 Degrees Celsius of Warming

After November 2024 was the second warmest November in the books, experts say the year is “effectively certain” to break the heat record set by 2023

The Stegosaurus named Apex is on display at the American Museum of Natural History in New York City.

You Can Now See Apex, the World’s Most Expensive Dinosaur Fossil, on Display at a New York City Museum

The largest and most complete Stegosaurus specimen sold for a record-setting price in July, and it is currently on loan to the American Museum of Natural History for four years

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