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Plants

Psilocybe cubensis, a mushroom that produces the psychoactive compound psilocybin.

Magic Mushrooms Evolved Psilocybin Not Once, but Twice

Two different types of mushroom evolved the same psychedelic compound in completely unrelated ways, a recent study finds

Ian and Stuart Paton pose with their world record pumpkin, nicknamed Muggle. The pumpkin weighs 2,819.3 pounds.

The Giant Pumpkin World Record Just Crept Closer to 3,000 Pounds. Here’s How Science, Sweat and ‘Soul Crush’ Keep Growers Reaching for the Heaviest Fruit Possible

Twin brothers in the United Kingdom grew the biggest pumpkin ever documented, tipping the scales at 2,819.3 pounds

Navigating based on natural signs, writes Tristan Gooley, “sharpens our powers of observation, deduction and prediction.”

It’s Almost Impossible for Tristan Gooley to Get Lost. That’s One Reason He Has Millions of Followers

The British adventurer has crossed the Atlantic solo in a plane and a boat. Now he reads tree leaves, puddles and moss to get his bearings

Researchers studied rainforests in northeastern Australia. These wet rainforests are very dense, and their canopies help cool down their ecosystems and store large amounts of carbon.

Australian Rainforests Become the First to Emit More Carbon Than They Absorb

A new analysis finds tropical forests in Australia are not taking in enough carbon dioxide to keep up with the emissions from their decaying trunks, holding possible implications for global ecosystems

First-place winner: rice weevil (Sitophilus oryzae) on a grain of rice

These Beautiful Microscope Photos Capture Tiny Pests, Spores, Sensory Neurons and Sunflower Hairs

Nikon has announced the winners of its 51st annual photomicrography competition

Green sea turtles are rebounding, thanks to global conservation efforts.

After Decades of Decline, Some Good News Is Here for Green Sea Turtles

The International Union for Conservation of Nature no longer considers the marine creatures endangered and has instead reclassified them as a species of least concern

An aerial view of Altadena on March 11, 2025, shows surviving trees and new greenery amid homes destroyed in the Eaton Fire.

After the L.A. Fires, Locals Turn to Native Plants to Help Shield Homes From Flames and Clean Contaminated Soil

Scientists and community members in Altadena are testing ways that California species can assist efforts to rebuild

Dandelions are strategic about when to disperse their seeds, new research suggests.

Scientists Are Uncovering the Secrets of How Fluffy, White Dandelions Spread Their Seeds

Their seed dispersal strategies have helped these ubiquitous plants flourish all over the world, new research suggests

The first-place winner of the 2025 Nikon Small World in Motion Video Competition captures a self-pollinating flower.

Stunning Microscope Videos Highlight Self-Pollination, Algae and Tumor Cells in the Nikon Small World in Motion Contest

The annual video competition focuses on the tiny wonders of the natural world

The Scarlet Sunrise is a new, crack-resistant grape tomato variety developed by researchers at Rutgers University in New Jersey.

Researchers Just Developed a Tasty New Tomato Called the Scarlet Sunrise

The snackable grape variety is the brainchild of scientists at Rutgers University, who have spent more than a decade trying to produce a firm, crack-resistant fruit with a vibrant reddish-yellow color

The domestication of some species of bumblebee has had unintended consequences.

A Deep Look Into the Wild and Not-So-Wild World of Bumblebees

Over the past several decades the lives of the domesticated and native pollinators have increasingly overlapped

Ecological scent detection dog Circe searches for Canelo Hills ladies’ tresses in the tall vegetation

This Rare, Endangered Orchid Only Exists in Two Locations. Can Dogs, Cows and Fungi Help It Thrive?

A Smithsonian ecologist is trying to restore the plant, Spiranthes delitescens, which grows on Arizona’s sky islands

The 2025 map shows predictions for each week between September 1 and November 17.

See When Fabulous Fall Foliage Will Peak in Your State With This Interactive Map

Use the tool’s week-by-week, county-by-county predictions to plan your autumnal adventures—and make the most of the 2025 leaf-peeping season

The pads, also known as platters, of giant waterlillies can be up to ten feet in diameter.

How Much Can a Giant Waterlily Hold? See One Carry 183 Pounds Before Sinking, Winning a Social Media Contest

Now in its third year, the Waterlily Weigh-Off invites public gardens and zoos to show off the strength of their aquatic plants

The research team's glowing succulents, which lit up in shades of red, green and blue

Researchers Create Rechargeable, Glow-in-the-Dark Succulents

The team hopes their work, which is still in the early phases, might one day build the foundation for a novel sustainable lighting system

Researchers have developed a new, artificial supplement that can deliver crucial nutrients known as sterols to honeybee colonies and promote survival of larvae.

Researchers Develop a ‘Superfood’ for Honeybees to Fight the Drastic Decline of Their Colonies

Bees fed an enriched yeast supplement saw 15 times more of their larvae reach the developmental stage right before adulthood, according to a new study

Arborists scaled the tree to douse the final flames on August 21.

World’s Tallest Douglas Fir Tree Damaged in Mysterious, Multi-Day Blaze, but It’s Alive After Firefighters Extinguish Flames

The fire started burning on August 16 and only affected a single tree—the historic Doerner Fir in southern Oregon. Authorities are still investigating the cause

In some countries, it’s not uncommon to bring cows and other farm animals into the house with humans for the winter. It protects them from the chill and adds a source of heat to the home in frigid months.

Smithsonian Photo Contest Galleries

Get a Glimpse of Farm Life All Around the World

These 15 images from the Smithsonian Magazine Photo Contest will grow on you

Researchers are studying pollen grains for applications across medicine and engineering.

For the Allergy-Ridden, Pollen Can Be a Nuisance. But Scientists Are Using the Powdery Stuff to Make Paper, Sponges and More

Re-engineered into a microgel, pollen could become a critical material for eco-friendly products

Weaver ants link their bodies together to form chains while bending leaves to create their elaborate dwellings.

Weaver Ants Use Teamwork to Become ‘Superefficient,’ Building Complex Nests From Leaves With Extra Pulling Power

When humans work in large teams, they become less individually effective. But each ant grows more efficient when collaborating—a discovery that could help engineers build better robots

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