William Henry Harrison, James K. Polk and Zachary Taylor all died under suspicious circumstances.

Five years after the 2010 BP oil spill, the endangered reptiles are one of several species still suffering from enigmatic declines.

A mystery is brewing on Mars: Amateur astronomers spotted enormous plumes erupting off the Red Planet's surface, leaving scientists puzzled.

NASA’s Mars Reconnaissance Orbiter captured the colorful anomaly while surveying a 'field of dunes' on the red planet.

The fourth planet from the sun, Mars is one of our closest neighbors in the solar system, and yet it remains a mystery.

Unexplained natural phenomena, which is regularly observed in the aftermath of quakes, occurred during last week's 7.8 magnitude earthquake.

Genetic relics from a 'ghost population' of red wolves seem to live on in these coyote-like creatures.

The Voynich Manuscript, an illustrated codex from Medieval times, has been baffling humans since 1912. Here's what we know about it.

A vast amount of the plastic garbage littering the surface of the ocean may be disappearing, a new study suggests.

Hype builds around Bloom Energy's flagship solid oxide fuel cell -- a cleaner, greener 'power plant in a box.'

On the evening of Nov. 21, upwards of 400 meteors per hour may light up the night sky.

Hoag's Object, a celestial doughnut that features a galaxy within a galaxy, is a beautiful enigma of the cosmos.

19 newly discovered dwarf galaxies are missing dark matter.

Who or what is making the sound remains a mystery, but it may be a 'dinner bell' signaling feeding time for deep sea creatures.

Strange tests centered around a military installation in the Mojave Desert could mess with your GPS, warns FAA.

A never-before-seen coronavirus discovered in China is spreading, causing COVID-19. How worried should you be?

In some regions, as many as 80 percent of trees could be in danger from RAD or rapid apple decline.

A vast unseen force, more expansive than gravity, seems to connect galaxies separated by vast distances.

It looks like nothing else ever seen on Earth, but the bizarre 'Tully Monster' is still waiting on a definitive classification.

Scientists aren't sure what is causing this whirlpool of algae but believe it's likely to cause a marine dead zone.

You may already be familiar with albinism in humans and other animals, but did you know there are albino plants, too?

Composed of loose sediment and averaging about 6 feet in height, the puzzling natural mounds are a surreal sight.

It's so deep there could be species lurking in its depths that we've never seen before.

Francesco Pecoraro/Getty Images

• New York Governor Andrew Cuomo on Saturday said at least three children have died in New York from a rare condition that's being linked to the coronavirus.
• The illness, called "pediatric multisystem inflammatory syndrome" has symptoms similar to the Kawasaki disease and toxic-shock syndrome, including fever, rash, stomach pain, diarrhea, and vomiting.
• Children in at least six European countries have also come down with similar symptoms recently.
• Visit Business Insider's homepage for more stories.

Three children who had COVID-19 in New York are dead, after they developed rare heart issues that may be linked to the novel coronavirus. 

"The illness has taken the lives of three young New Yorkers," Governor Cuomo said at a news conference on Saturday. All three kids were under 10 years old. 

See the rest of the story at Business Insider

See Also:

• The US military is barring anyone who was hospitalized due to COVID-19 from enlisting
• Almost 12,000 meatpacking and food plant workers have reportedly contracted COVID-19. At least 48 have died.
• New York's coronavirus outbreak was a 'primary gateway' for the disease's spread around the US, a researcher says

The discovery of a maroon Vauxhall Astra and a body by the A3 has become a Surrey urban legend

A couple of mysterious sharks have caught the fancy of the town. Maybe it's the cabin fever finally setting in, or perhaps this is what happens when you go too long without washing your mask, but Bethelites are going wild for two people in inflatable shark suits who pop up randomly around town.

Angels are mentioned over 300 times in the Bible. They are God's 'ministering spirits' to guard, protect, and help us.

Angels are mentioned over 300 times in the Bible. They are God's 'ministering spirits' to guard, protect, and help us.

Min Min lights are a mysterious phenomenon that have spooked many people in the outback of Australia. Is there any scientific proof that the lights exist or is it simply an Aboriginal folktale that has been passed down for generations?

More than 20 Pixie O'Harris artworks are being restored for an exhibition after the final paintings, which had been missing since the 1950s, mysteriously turn up without note or explanation.

The Australian kelpie's origins have long been shrouded in mystery, but new genetics research has found some vital answers to the iconic working dog's ancestry.

Conservationists are hoping new, tiny satellite tracking tech can show where these critically endangered birds hide each and every year.

Researchers say an online tool to help understand where Australia's Bogong moths have disappeared to is starting to show promising results.

More dead wallabies have been found on a Cairns sporting field, taking the total number of carcasses in the past week to more than 30.

Meredith McIver is the speech writer who took responsibility for Melania Trump's plagiarism (you may have heard about it?). But people aren't convinced that Meredith is even real, leading to the internet's new favorite conspiracy theory. Is Meredith McIver a fake persona created by Trump? Let's examine the evidence.

And if you'd like some appetizer Trump memes before you get started, now would be the time.

Magnetars — highly magnetized, rapidly rotating super-dense stars — are among the most enigmatic creatures to inhabit the cosmos and their origins are shrouded in mystery.

Speaking to Variety, Olivia Munn detailed director Bryan Singer's unprofessional behavior while filming the 2016 blockbuster "X-Men: Apocalypse."

PRINCESS ANNE, 69, appeared in a video on the Royal Family Instagram to celebrate the International Day of the Midwife. A video of the Princess Royal, the Queen's only daughter, was posted to the IGTV of the account.

David Fouts had a good job at Salesforce and lived a standard middle-class life. That's why police in Hamilton County are baffled by his death.

Have you ever wondered how your ears work? In this delightful and fascinating talk, biophysicist Jim Hudspeth demonstrates the wonderfully simple yet astonishingly powerful mechanics of hair cells, the microscopic powerhouses that make hearing possible -- and explains how, when it's really quiet, your ears will begin to beam out a spectrum of sounds unique to you.

Have you ever wondered why the moon is always there next to Earth? How did it come into existence and what is its relation to the Earth?

The body of Ali Ajami, an Iranian human rights activist, was discovered in McGovern Lake at Hermann Park, Houston, Texas, on Wednesday. The cause of death remains unknown. Houston Police on Wednesday started an investigation into the death of a deceased male found in a pond at Hermann Park but said no other information was available yet. Iranian social media users have reported that the body belonged to thirty-seven-year-old Iranian human rights activist Ali Ajami.

Puzzling, slow-living microbes named after Loki, the trickster of Norse mythology, are helping solve one of evolution's biggest mysteries: the origin of complex life

For 30 years, one man has been obsessed with the whisperings of the aurora borealis. His search for its origins may finally be over