The moon at night, as seen from Germany

Why Astronomers Want to Build a SETI Observatory on the Moon

Researchers say the location would offer a quiet spot from which to hear a signal from an intelligent civilization

The Nancy Grace Roman Space Telescope is name after NASA's first chief of astronomy.

How NASA’s New Telescope Will Help Astronomers Discover Free-Floating Worlds

The Nancy Grace Roman Space Telescope will be able to detect small, distant planets without stars

These six video webinars presented by the Smithsonian’s National Museum of Natural History explore the life cycle of modern outbreaks.

Smithsonian Voices

Six Videos From the Natural History Museum That Put the Pandemic in Context

Explore the life cycle of modern outbreaks, from infection to immunity and vaccines to combat them

The Tokay gecko is a species native to Southeast Asia, where a large percentage of traded reptiles come from

A Quarter of All Reptile Species, Many of Them Endangered, Are Sold Online

A new study finds 75 percent of the species sold are not regulated by any trade agreement

The Yonahlossee salamander is a woodland species from the southern Appalachian Mountains in the United States

Smithsonian Voices

Here’s How You Can Help Amphibians in the Fight Against Extinction

We now know that the killer chytrid fungus originated in Asia and that humans unintentionally spread it around the world

Historical pressings of seaweeds, such as this kelp, have proved to be a scientific boon for researchers.

Scientists Use Century-Old Seaweed to Solve a Marine Mystery

A treasure trove of data trapped in pressed seaweed helps explain the collapse of Monterey Bay’s sardine fishery in the 1950s

In southern Italy, two varieties of olive trees, some infected with a disease called Xylella fastidiosa, a bacteria carried from tree to tree by a little bug, and some resisting the infection

Why Tree-Killing Epidemics Are on the Rise

Globetrotting pathogens have caused forest-felling disasters that scientists are doing their best to contain

No longer masked by city noise, San Francisco sparrows are singing a new tune

The Pandemic Shutdown in San Francisco Had Sparrows Singing Sexier Tunes

Birds adapted to singing above the urban noise chirped lower, softer melodies

The Zoo's one-month-old giant panda cub had its first veterinary exam over the weekend. Get the scoop from Laurie Thompson, assistant curator of giant pandas.

Pandamonium

Check Out Pictures and Video of the Giant Panda Cub’s First Veterinary Exam

At one-month-old, all signs point to a healthy, strong cub

A student tries to solve a math problem.

What Is Math?

A teenager asked that age-old question on TikTok, creating a viral backlash, and then, a thoughtful scientific debate

Halahtookit, a Nez Perce man, widely believed to be the son of William Clark.

Ask Smithsonian

Are There Native Descendants of the Lewis and Clark Expedition? And More Questions From Our Readers

You’ve got questions. We’ve got experts

The spotted lanternfly has landed. This adult was seen in Pennsylvania, hard hit by the alien species.

Can Scientists Stop the Plague of the Spotted Lanternfly?

The voracious, shape-shifting insect native to Asia is attacking crops, vineyards and trees

School children are spaced apart in one of the rooms used for lunch at Woodland Elementary School in Milford, Massachusetts on Sept. 11, 2020.

Covid-19

Exactly How Far Should You Distance From Others to Avoid Covid-19?

The CDC recommends 6 feet or more, the WHO about half that distance, but experts say the science is far from settled

A mid-1970s painting by illustrator Rick Guidice depicts an extraterrestrial colony designed by Princeton University physicist Gerard O'Neill.

How NASA Marketed Its Space Program With Fantastical Depictions of the Future

When it came to exploring the stars, Americans had to see it to believe in it

Some Covid-19 patients are reporting that foods including coffee, chocolate and red wine smell awful.

Why Covid-19 Patients Are Suffering From Distorted and Phantom Smells

An increasing number of patients are reporting awful scents that aren’t present

A child sleeps in his parents bed.

Researchers Say the Purpose of Sleep Shifts During the ‘Terrible Twos’

A multidisciplinary team offers up an exact age when REM sleep decreases

Marble Canyon, Grand Canyon, Arizona, U.S. Down on the mile-deep floor of the Grand Canyon, the stillness allows the subtlest natural sounds to emerge, from the call of a peregrine falcon overhead to the scamper of a scorpion underfoot. Rock layers tell their own story, revealing nearly two billion years of geology. But the serenity is no longer guaranteed. It is frequently broken by air tours. In 1999, Senator John McCain of Arizona introduced a law that helped cut down on this persistent source of human noise. But up to 400 flights still cross the canyon or fly below the rim each day.

Photographs From the Last Quiet Places on Earth

Little can compare to the healing power of silence

Are there other imaging agents hiding in plain sight?

Innovation for Good

Could Tattoo Ink Be Used to Detect Cancer?

A new study on medical imaging agents shows common pigments and dyes could help with early diagnosis

When Alexander von Humboldt (right) traveled to England in 1790, he met a young chemist named James Smithson, the founder of the Smithsonian. Humboldt's influence still resonates throughout the massive museum and research complex.

Alexander von Humboldt

How the Revolutionary Thinker Alexander von Humboldt Helped to Create the Smithsonian

The 19th-century polymath continues to influence the Institution’s research; a major Smithsonian exhibition explains how and why

This marks the first time the fossil has been back in America since 1847, when it made its way through Europe and ultimately ended up at The Hessisches Landesmuseum Darmstadt in Germany.

Alexander von Humboldt

This Mastodon Is a Centerpiece of an Art Exhibition. Why?

Meet the hugely influential Alexander von Humboldt, who foretold of climate change and inspired artists, writers and presidents

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