Why do the planets in the solar system orbit on the same plane? By JoAnna Wendel About 4.5 billion years ago, the solar system was just a giant, spinning cloud of gas and dust. Today, it's flat. Here's how that happened.
SpaceX Inspiration4 astronauts return to Earth with historic splashdown off Florida coast By Amy Thompson After three days in space, SpaceX's first all-civilian crew returned to Earth tonight, splashing down off the Florida coast to end a historic mission.
Why don't we breathe equally out of both nostrils? By Tara Santora You have two nostrils, but usually one is dominant.
Firefighters race to save the world’s largest tree as wildfires rage By Yasemin Saplakoglu California firefighters have wrapped the bases of the world's largest trees in fire-resistant aluminum blankets to protect them from a wildfire that is raging nearby.
Explorers add 8 miles to world's longest known cave system By Laura Geggel Hours of survey work have added an additional 8 miles to the passageways at Mammoth Cave National Park in Kentucky
Nearly 900 years ago, astronomers spotted a strange, bright light in the sky. We finally know what caused it. By Yasemin Saplakoglu In the 12th century, Chinese and Japanese astronomers spotted a supernova in the sky shining as brightly as Saturn.
Explorers add 8 miles to world's longest known cave system By Laura Geggel Hours of survey work have added an additional 8 miles to the passageways at Mammoth Cave National Park in Kentucky
Giant ice sheet towers over Scottish city like the Wall in 'Game of Thrones' in stunning video reconstruction By Patrick Pester Scotland's giant ice sheet has been recreated over Dundee in a stunning video that looks like the Wall from "Game of Thrones."
Why do the planets in the solar system orbit on the same plane? By JoAnna Wendel About 4.5 billion years ago, the solar system was just a giant, spinning cloud of gas and dust. Today, it's flat. Here's how that happened.
SpaceX Inspiration4 astronauts return to Earth with historic splashdown off Florida coast By Amy Thompson After three days in space, SpaceX's first all-civilian crew returned to Earth tonight, splashing down off the Florida coast to end a historic mission.
Who was Herodotus? By All About History, Marc G. DeSantis Herodotus was the first true historian and has been called the "father of history," but his reliability has often been questioned.
Mass grave of slaughtered Crusaders discovered in Lebanon By Ben Turner While there are many historical records of the Crusades, physical evidence like this is rare.
Why don't we breathe equally out of both nostrils? By Tara Santora You have two nostrils, but usually one is dominant.
Yoga for back pain: What you need to know By Mark Brownless REFERENCE Find out everything you need to know about yoga for back pain, including if experts really think it's a good idea.
How to breathe while running By Sarah Finley REFERENCE Do you know how to breathe while running? We talk to the experts for all the key advice.
Bizarre tail on little dinosaur-age bird was literally a drag By Laura Geggel An extraordinary 120-million-year-old fossil bird from China reveals that the animal had a sexy but vaguely impractical tail.
Slaughter of more than 1,400 dolphins in the Faroe Islands sparks condemnation worldwide By Joanna Thompson Hunters in the Faroe Islands ambushed and slaughtered a super-pod of more than 1,400 white-sided dolphins on Sunday (Sept. 12), leading to worldwide outcry.
Kids discover giant penguin’s fossil skeleton in New Zealand By Mindy Weisberger A newly described extinct giant penguin from New Zealand has unusually long legs and a long, slender beak, and it dates to a time when much of the region was underwater.
Why is alcohol used to preserve things? By Donavyn Coffey Here's how alcohol can help preserve DNA, tissue samples and even entire organisms.
Pi calculated to a record-breaking 62.8 trillion digits By Harry Baker Researchers are set to break the world record for the most precise value of pi, after using an advanced computer to calculate the famous constant to 62.8 trillion decimal places.
Two planes report 'bright green UFO' swooping through the clouds over Canada By Brandon Specktor Two aircrafts flying over Canada reported a "bright green UFO" that disappeared into the clouds on July 30.
What is ESP? By Isobel Whitcomb Also known as "the sixth sense" or "psi," extrasensory perception, or ESP, encompasses a wide range of paranormal abilities, including mind reading and predicting the future.
There are 2 types of narcissists. Here's what makes each tick. By Nikhila Mahadevan Chances are you've met a narcissist. Here's what's behind the gigantic ego.
Math genius Emmy Noether endured sexism and Nazism. 100 years later, her ideas still ring true. By Tamar Lichter Blanks Albert Einstein described Emmy Noether as a "creative mathematical genius" who, despite "unselfish, significant work over a period of many years," did not get the recognition she deserved.
SpaceX Starlink satellites responsible for over half of close encounters in orbit, scientist says By Tereza Pultarova SpaceX's Starlink satellites are involved in about 1,600 close encounters between two spacecraft in low Earth orbit every week, according to available data. That’s about 50% of all such incidents.
