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Science

A view of the Sea of Cortez from an unnamed barrier island in Baja California.

John Steinbeck’s Epic Ocean Voyage Rewrote the Rules of Ecology

A legendary writer, a quirky biologist and their jolly adventure in the Sea of Cortez

In a fit of pique, according to one of Aesop's fables, the god Hermes made the animal carry its house forever on its back.

How the Turtle Got Its Shell, With Apologies to Aesop

Smithsonian paleontologist Hans Sues unpacks the complicated evolution of how this creature grew a home upon its back

A natural color view of Titan and Saturn taken by NASA's Cassini spacecraft wide-angle camera on May 6, 2012, at a distance of approximately 483,000 miles (778,000 kilometers) from Titan.

Dragonfly Spacecraft to Scour the Sands of Titan for the Chemistry of Life

The NASA rotorcraft, resembling a large quadcopter drone, will fly through the orange clouds of the ocean moon in the outer solar system

In the image captured by Cassini, the rings are illuminated both by direct sunlight and by light reflected off Saturn's cloud tops.

Saturn Could Lose Its Rings in Less Than 100 Million Years

Recent discoveries suggest that the planet’s distinctive feature may be gone in the cosmic blink of an eye

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A New Species of Leech Is Discovered Near Washington, D.C.

Smithsonian researcher describes a previously unknown species of olive-green bloodsucker that has three jaws with up to 59 teeth

Deciduous leaves change color as pigments degrade and synthesize before falling off their trees.

Watch Leaves Change Color in a Matter of Seconds

A new time-lapse video of over 6,000 leaf photos reveals the biology behind fall foliage

Scientists think gigantic crinoids would cling to logs with anchor-like stems, creating a floating raft that likely supported a host of other species and enabled their long-distance transport across Jurassic seas.

Ancient Sea Life May Have Hitched Across Oceans on Giant Living Rafts

Enormous crinoids of the Jurassic era, related to sea stars and sea urchins, could have carried whole ecosystems around the world

One witness to an 1859 Northern Lights display was the artist Frederic Edwin Church, who later painted Aurora Borealis (above, detail).

Re:Frame

The Crazy Superstitions and Real-Life Science of the Northern Lights

In the latest episode of ‘Re:Frame,’ Smithsonian curators take a deep dive into the dramatic painting ‘Aurora Borealis’ by Frederic Church

The rotation and convection of molten iron at the center of the planet creates a dynamo effect, generating Earth's magnetic field.

Earth’s Magnetic Field Could Take Longer to Flip Than Previously Thought

New research suggests a polarity reversal of the planet takes about 22,000 years, significantly longer than former estimates

Unlike seeds of other plants, orchid seeds (above, a seed packet) do not contain the nutrition they need to sprout. They get it from fungi.

Why the Conservation of Orchids Is No Simple Matter

Smithsonian’s Sidedoor podcast visits with researchers working to understand the conditions these threatened plants need to grow

“Re:Frame,” a video web series produced by the Smithsonian American Art Museum, investigates the compelling role graphite has played in the history of art—and in Teresita Fernández’s work.

Re:Frame

How Artist Teresita Fernández Turns Graphite, the Stuff of Stardust, Into Memories

A new episode of the Smithsonian’s ‘Re:Frame,’ explores the origin of graphite, a material artists have used for centuries

Ginkgo has survived three mass extinctions, including the one that killed the dinosaurs.

Smithsonian Scientists Are Using Ginkgo Leaves to Study Climate Change—They Need Your Help

Citizen scientists can submit leaf samples from their hometowns through the end of August

Researchers hypothesize that magnetic figures may have been crafted to memorialize the dead, with the attractive forces of the sculptures representing a lingering life force.

Mesoamerican Sculptures Reveal Early Knowledge of Magnetism

Stone figures with magnetized cheeks and navels suggest the pre-Maya civilization of Monte Alto understood the attractive force

Mosquitos and their related diseases played a role in many historical events.

How Mosquitoes Helped Shape the Course of Human History

Historian and author Timothy Winegard discusses the way mosquitoes have played a major role in battles, genetics and the gin and tonic

This bat gleans insects from leaves. A team of researchers discovered that by approaching a leaf at an oblique angle, it can use its echolocation system to detect stationary insects in the dark.

Bats Use Leaves as Mirrors to Locate and Catch Their Prey

The latest discovery in the arms race between bats and insects reveals that even silent, motionless dragonflies aren’t safe

Opalised fossils from Lightning Ridge, N.S.W, Australia. From the collection of the Australian Opal Center. Clockwise from top left: freshwater snail; plesiosaur tooth; crocodile tooth; pine cone; pelvis bone of ornithopod dinosaur. Donated through the Australian Government’s Cultural Gifts Program by (respectively) Down to Earth Opals, Timothy Seekamp, Stephen Turner and Michael Poben.

Scientists and Miners Team Up to Preserve Opalized Fossils

An ambitious collaboration between paleontologists and a local mining community seeks to conserve the rare fossilized remains

Janaki Ammal was a pioneering botanist who helped identify and conserve the biodiversity of India.

Women Who Shaped History

The Pioneering Female Botanist Who Sweetened a Nation and Saved a Valley

One of India’s finest plant scientists, Janaki Ammal spurred her country to protect its rich tropical diversity

A reconstruction of Cambroraster falcatus, a large predator arthropod of the Cambrian Period.

Prehistoric Ocean Predator Resembles a Large and Vicious Horseshoe Crab

“Prey would have been sucked into the circular mouth and shredded by the multiple rows of large teeth”

An artist's depiction of Earth during the Archean Eon, from 4 to 2.5 billion years ago, when life consisted of only single-celled microbes with no nucleus (prokaryotes). How these primitive organisms first formed from chemical reactions remains one of the greatest mysteries of science.

Future of Space Exploration

Searching for the Key to Life’s Beginnings

From exoplanets to chemical reactions, scientists inch closer to solving the great mystery of how life forms from inanimate matter

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Megalodon May Be Extinct, but There’s a Life-Size One at the Smithsonian

A 52-foot, life-size model of a Carcharocles megalodon shark is now on display in the National Museum of Natural History

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