Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Smart News / Smart News Science

After capturing the 77-pound male, wildlife officials said they planned to re-collar and release the creature into the wild.

Rare Mountain Lion Standoff in San Francisco Ends Peacefully After a 30-Hour Search

Wildlife officials successfully captured the young male, known as 157M, after he wandered into the northern Pacific Heights neighborhood

Researchers studied data from nearly 125,000 pre- and post-menopausal women.

How Do Menopause and a Treatment to Manage Its Symptoms Affect the Brain and Mental Health?

New research suggests an association between menopause and anxiety, depression and shrinkage in certain brain regions—which hormone replacement therapy might not mitigate

An image containing nearly 800,000 galaxies from NASA's James Webb Space Telescope, overlaid with dark-matter clumps shown in blue

See the Most Detailed Map of Dark Matter Ever Made, Bringing Astronomers a Step Closer to Unraveling Its Mysterious Nature

The invisible stuff makes up about 85 percent of all matter in the universe, but researchers know little about it

Seven mummified cheetahs and the remains of dozens more were found in caves in northern Saudi Arabia.

Cool Finds

Mummified Cheetahs Discovered in Caves Could Help Saudi Arabia Bring the Wild Cat Back to Its Historical Range

Researchers thought that just one subspecies of cheetah lived in Saudi Arabia long ago. But an unexpected discovery seems to broaden the gene pool

The Valles Marineris canyon system, where the scientists focused their study

Three Billion Years Ago, Mars May Have Been Half Covered by a Sea the Size of the Arctic Ocean

Data from several probes studying the Red Planet helped geologists map what seems to be an ancient coastline

Ice can take on more than 20 forms, or phases, depending on the temperature and pressure conditions as water crystallizes.

Researchers Discover a New Phase of Ice by Squeezing Water Between Diamonds

The new form, called Ice XXI, appeared at room temperature in the lab, and it may have a similar density to ice on distant moons in our solar system

Treponema pallidum is a spiral-shaped bacterium that currently exists in three closely related forms, one of which causes syphilis. 

Anthropologists Recover DNA of Syphilis-Causing Bacterium Relative From 5,500-Year-Old Human Remains, the Earliest Ever Found

The findings represent the oldest complete set of genetic information from this bacterial group and shed light on its evolutionary history

Joshua trees rely on a single species—the yucca moth—to pollinate their flowers.

The American Southwest’s Iconic Joshua Trees Are Blooming Early—and Scientists Want Your Help to Figure Out Why

The spiky desert succulents typically blossom beginning in late February. But this season, many started growing flowers up to four months early

Shenzhou-15 spacecraft debris streaked across the sky above California in April 2024. 

Sonic Booms and Earthquake Sensors Can Help Researchers Track Space Junk as It Plummets to Earth

Falling debris can travel at about 30 times the speed of sound, creating sonic booms that shake the ground

Tyrannosaurus rex probably wasn't full-grown until around age 40, new research suggests.

Tyrannosaurus Rex Was Probably a Late Bloomer—and May Have Taken Around 40 Years to Grow Up

The behemoth dinosaurs grew more slowly and had longer life spans than previously thought, a new study suggests

An illustration of Procoptodon goliah, a giant kangaroo that weighed up to about 550 pounds and went extinct around 40,000 years ago

Giant Kangaroos That Lived During the Ice Age May Have Hopped—Despite Weighing Up to 550 Pounds

The extinct animals may have bounced from scary situations, such as coming face to face with hungry predators

The findings point to a mental strategy that could help bolster typical medical treatments.

Positive Thinking Might Boost Your Immune System’s Responses to Vaccines, New Research Suggests

Researchers found an association between increased activity in a reward region of the brain—primarily stimulated by hopeful thinking—and heightened levels of protective antibodies after receiving a vaccine

An illustration of a member of the Prototaxites genus, which lived between 420 million and 375 million years ago

This Mysterious 407-Million-Year-Old Fossil May Represent a Previously Unknown Branch of Life

Earth’s first large land organisms—tree trunk-like beings that stood up to 26 feet tall—weren’t early fungi but, rather, something else entirely, a study suggests

More than 1.8 billion people lived under drought conditions in 2022 and 2023, according to a report from the United Nations.

United Nations Declares That the World Has Entered an Era of ‘Global Water Bankruptcy’

We’re living beyond our hydrological means and need to focus on long-term recovery, according to a new report

Virunga National Park in the Democratic Republic of the Congo announced a rare birth of mountain gorilla twins.

Rare Twin Mountain Gorillas Born in the Congo, Giving Hope to Those Working to Conserve the Endangered Animals

While the birth is sparking joy, infant mountain gorillas are vulnerable, and twins can be twice as hard for a mother to take care of

A six-fingered version of the robotic hand

This Detachable Robotic Hand Can Scurry Around and Grasp Objects Just Like Thing From the Addams Family

With up to six fingers that can bend in multiple directions, the innovative tool could one day be used to carry out tasks in tight spaces

Humpback whales blow curtains of bubbles beneath fish and krill to trick them into thinking they're trapped.

Humpback Whales Are Probably Learning How to Catch Prey With Bubble Nets by Watching One Another

The foraging strategy may help make humpbacks more resilient to food scarcity, emphasizing the importance of preserving their cultural knowledge, a study suggests

A "bar" of iron atoms, colored red in this image, has been hiding inside the Ring Nebula.

Cool Finds

Astronomers Discover a Mysterious Bar-Shaped Cloud of Iron Within the Iconic Ring Nebula

Humans have been eyeing the colorful Ring Nebula for nearly 250 years, but testing out a new telescope tool led to the perplexing finding

Common big-eared bats eat relatively large insects, such as katydids.

A Robot Is Unraveling the Secrets of How Some Bats Bounce Sound Waves Off Leaves to Find Insect Prey

A new study from the Smithsonian Tropical Research Institute used a robot to mimic common big-eared bats’ echolocation skills

The bulbils of the black-bulb yam look like berries.

This Plant Produces Plump, Fake Berries to Trick Birds Into Spreading Its Offspring Far and Wide

The black-bulb yam excels at mimicry, producing small clones of itself that look like the dark, shiny berries of seed-growing plants

Page 27 of 546