Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Smart News / Smart News Science

These four lightbulbs augured a future with nuclear power.

On This Day in History

On This Day in 1951, Four Illuminated Lightbulbs in Idaho Were Evidence of the First Time a Nuclear Power Plant Generated Electricity

Although it was just a byproduct of developing a new type of reactor, the generation of electricity from nuclear energy signaled a bright future ahead

A recently excavated mastodon tooth found in a backyard, still embedded in the jaw

Cool Finds

A Homeowner Found Huge, Fossil Teeth While Mowing the Lawn. Then, Excavations Revealed a Complete Mastodon Jaw

The new discovery is the first of its kind in New York state for at least 11 years and appeared in a county rich with mastodon remains

Sombrero ground lizards (Pholidoscelis corvinus) are endemic to Sombrero Island, north of Anguilla, which means they're found nowhere else on the planet.

This Once-Rare Lizard Bounced Back From the Brink of Extinction After ‘Painstaking’ Restoration Efforts in the Caribbean

In 2018, fewer than 100 Sombrero ground lizards remained on Sombrero Island—but now, more than 1,600 of the critically endangered reptiles are scampering around the limestone landscape

The wasp species known as the "velvet ant" has a pattern of white and ultra-black coloration.

Meet the Brazilian Velvet Ant, a Rare ‘Ultra-Black’ Wasp That’s So Dark It Absorbs Almost All Visible Light

While the distinctive coloration is thought to be a warning to predators, it also has intriguing implications for designing man-made materials

Happiness "lights up" similar areas on both modern and ancient body maps, with the exception of the liver, which was more significant for the ancient Mesopotamians.

Ancient Texts Reveal How Mesopotamians Felt Emotions—From Happiness in the Liver to Anger in the Feet

Researchers found that ancient Mesopotamians associated body parts with emotions, just as we do—but they discovered some hilarious differences

Crows congregate in Delano, California, in 2014. The birds tend to gether in urban areas, prompting some city officials—spanning New York, Illinois and Oregon—to try to disperse them.

Officials Ward Off 20,000 Crows With Flares and Lasers in Upstate New York, an Annual Battle Waged in Cities Nationwide

Massive roosts of crows in Rochester leave streets covered in feces, but some “corvid fanatics” aren’t pleased about certain methods for dealing with the birds

Astronauts Butch Wilmore and Suni Williams inspect safety hardware aboard the ISS in August 2024.

NASA’s Starliner Astronauts Face Another Delay in Their Return Home, Drawing Out Their Unexpectedly Long Mission

Suni Williams and Butch Wilmore were supposed to stay at the ISS for a little over a week. It’s now been more than six months, and the end date has been pushed again

Towana Looney's surgery at NYU Langone Health lasted seven hours and involved dozens of medical professionals.

An Alabama Woman Got a Gene-Edited Pig Kidney Transplant. Three Weeks Later, She Has ‘Never Felt Better’

On November 25, 53-year-old Towana Looney became just the third living person to receive a pig kidney in an experimental procedure

The world's largest iceberg, A23a, is on the move again after spending the last few months stuck in an ocean vortex.

The World’s Largest Iceberg Is Free-Floating Again, and It Could Help Build ‘Thriving Ecosystems’

After spending months stuck in a swirling ocean vortex, iceberg A23a is once again drifting through the Southern Ocean, offering scientists a glimpse into how it might affect waters in new regions

A red-bellied woodpecker peers into a hole in a tree and spots a very alarmed-looking young screech owl. The photograph, which was highly commended in the contest, is titled "You're not my mother."

Check Out 14 Hilarious Winners From the Nikon Comedy Wildlife Photography Awards Contest

From an “awkward” smiling frog to embarrassing owl parents, this year’s winners of the entertaining annual competition won’t let you down

The Hermitage in Nashville is the former plantation of Andrew Jackson.

Archaeologists Discover Lost Burial Site of Enslaved People on President Andrew Jackson’s Tennessee Plantation

An estimated 28 probable graves were identified at the seventh American president’s former property, called the Hermitage

Last week, scientists conducted the first-ever dissection of a spade-toothed whale, the rarest whale species on Earth.

Scientists Just Dissected the World’s Rarest Whale in New Zealand. Here’s What They Found

Only seven spade-toothed whales have ever been identified, and the species has never been seen alive. After one washed ashore last summer, researchers have made new discoveries—including that the animal had nine stomach chambers and vestigial teeth

François Lanoë, an archaeologist at the University of Arizona, helped discover an 8,100-year-old canine jawbone in Alaska in 2023.

Humans Fed Salmon to Canines 12,000 Years Ago, Study Suggests, Hinting at the Origin of Our Relationship With Dogs

New research indicates early humans and canines were interacting in the Americas 2,000 years earlier than previously thought

A solar flare erupts from the sun on June 20, 2013, seen at the left of the image.

Superflares Erupt From Sun-Like Stars Roughly Every 100 Years, a New Study Finds. Is Our Sun Overdue for a Massive Blast?

Solar flares and coronal mass ejections could cause serious damage to telecommunications systems, satellites and power grids here on Earth

Paleontologists made discoveries about a wide variety of dinosaurs over the past 12 months.

The Top Ten Dinosaur Discoveries of 2024

From the realization that paleontologists still haven’t found the biggest dinosaurs to the unearthing of a small burrowing dino, the year has been marked by awe-inspiring finds

DNA on Earth is built from sugars with a property known as right-handedness. Though left-handed sugars aren't used by any known life, scientists can create them—but now, researchers say they shouldn't.

Scientists Warn of an ‘Unprecedented Risk’ From Synthetic ‘Mirror Life,’ Built With a Reverse Version of Natural Proteins and Sugars

So-called mirror cells could rampage through our ecosystems, food supply and immune systems, experts say, potentially without existing barriers to protect against them

A representation of the evolution of the universe over 13.77 billion years.

James Webb Telescope Confirms the Universe Is Expanding Faster Than We Thought—and Scientists Still Don’t Know Why

The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues

A Nile crocodile.

Scientists Unlock the Secrets of Crocodile Skin and Its Irregular, Mystifying Patterns

The scales on crocodiles’ heads are very different from the skin appendages of other animals and even distinct from the scales on the rest of their bodies

Siberian tigers Boris and Svetlaya lounge together in the wild. Boris walked 120 miles to reunite with her after their release from a rehabilitation program.

Two Orphaned Siberian Tigers Reunite as Mates After a 120-Mile Trek Through Russian Wilderness

Conservationists hope the love story between Boris and Svetlaya might indicate a new, successful chapter in tiger repopulation efforts

An artist's illustration shows the James Webb Space Telescope peering out into the solar system toward the asteroid belt.

Astronomers Detect the Smallest Main Belt Asteroids Ever Found by Repurposing a Technique for Exoplanet Discovery

An unusual approach to spotting tiny asteroids uses James Webb Space Telescope data in a boost for planetary defense research

Page 72 of 545