Science

Honduran scarlet macaws.

How the Stunning Scarlet Macaw Came Back From the Brink

The bird, decimated by poachers and smugglers, is making a big comeback in the Central American rainforest

Artist's impression of the Chicxulub impact.

After the Dinosaur-Killing Impact, Soot Played a Remarkable Role in Extinction

The famous impact 66 million years ago kicked up soot into the atmosphere that played an even bigger role in blocking sunlight than experts had realized

Catch Bill Weir's new show, The Road to Change: America's Climate Crisis, Saturday April 25, 2020 on CNN at 10PM ET.

Smithsonian Voices

CNN's Bill Weir Offers Solutions for How to Talk Climate Change in a Contentious World

Smithsonian's Earth Optimism Summit features CNN's Chief Climate Correspondent Bill Weir

"Our planet faces the challenge of a lifetime," says Bunch. "Let’s work together to imbue our future with all the hope and healing we have to offer.

Planet Positive

In a World Facing Grim Challenges, Hope Still Reigns Supreme

Smithsonian Secretary Lonnie G. Bunch III says: ‘It’s time to put our heads down, and work’

Mangroves line a channel connecting the Belize River to the coastal lagoon system. These trees are hundreds of years old and provide important habitat to both terrestrial and marine species.

Smithsonian Voices

Here's How Local Communities Can Help Save Mangroves

The Global Mangrove Alliance has a goal of increasing the world’s mangrove cover by 20 percent over the next decade

Stream live or watch repeated broadcast overnight.

Planet Positive

LIVE NOW: Watch the Smithsonian's Earth Optimism Digital Summit

The two-day virtual event will bring scientists and many other experts to highlight success stories in conservation

Kilauea fissure 8 lava fountains reached as high as about 50 m (164 ft) on June 20, 2018

Could Rainfall Have Triggered the 2018 Eruption of Hawaiian Volcano Kīlauea?

A new study posits that groundwater pressure might have been a tipping point for the magma system near the eruption

Nick Pyenson and his colleagues next to fossil whales from Cerro Ballena, a site in the Atacama of Chile.

Smithsonian Voices

Digging Into the Past to Find Optimism for the Future

The story of what will happen in the coming decades and centuries is written in the geologic past

The list covers findings in biology, justice and human rights, the environment, and more.

Planet Positive

Fifty Things We’ve Learned About the Earth Since the First Earth Day

On April 22, 1970, Americans pledged environmental action for the planet. Here’s what scientists and we, the global community, have done since

The first physician to definitively distinguish typhus and typhoid was American doctor William Wood Gerhard.

Covid-19

What an 1836 Typhus Outbreak Taught the Medical World About Epidemics

An American doctor operating out of Philadelphia made clinical observations that where patients lived, not how they lived, was at the root of the problem

Reconstruction of Palaeochiropteryx

Why Bats Are One of Evolution’s Greatest Puzzles

Paleontologists seek the ancestors that could explain how bats became the only flying mammals.

Research suggests humans can occasionally pass the new coronavirus to cats. But felines are very unlikely to be a source of transmission back to humans.

Covid-19

Why the New Coronavirus Affects Some Animals, but Not Others

While the virus seems capable of infecting some pets and wild animals, these cases probably aren’t occurring often

This week's selections include The Betrayal of the Duchess, Anonymous Is a Woman and Nerve.

Books of the Month

The Science of Fear, the Royal Scandal That Made France Modern and Other New Books to Read

The fourth installment in our weekly series spotlights titles that may have been lost in the news amid the COVID-19 crisis

Eugene V. Debs was in a West Virginia penitentiary when he lost the 1920 presidential election.

Has Anyone Ever Run for President While in Prison? And More Questions From Our Readers

You've got questions. We've got experts

In the Catalina Mountains in southern Arizona, forests struggle to keep up with recent increases in drought and wildfire activity, which are expected to continue due to human-caused climate change.

The American West May Be Entering a ‘Megadrought’ Worse Than Any in Historical Record

A new study of ancient climate has a dire warning about today's dry conditions

Artifacts from the Lendbreen site

Treasure Trove of Artifacts Illustrates Life in a Lost Viking Mountain Pass

Lendbreen, a pass high in the Norwegian mountains, was an important route from the Roman era until the late Middle Ages

Owl-inspired innovations can reduce noise by as much as 10 decibels, similar to the difference in noise between a passing truck and a passing car.

To Silence Wind Turbines and Airplanes, Engineers Are Studying Owl Wings

No one knows exactly how the nocturnal hunters manage their whisper-soft flight, yet it's inspiring the design of quieter airplanes, fans and wind turbines

Karen Osborn, invertebrate zoologist and curator at the Smithsonian’s National Museum of Natural History, uses photography to help people better understand the hard-to-see marine animals she studies, like this deep-sea jellyfish Voragonema pedunculata.

Smithsonian Voices

Why Science Needs Art

From teaching curious museumgoers to adding creativity to the scientific process, art thrives at the Smithsonian's National Museum of Natural History

"I'm looking at connections between human, animal and environmental health to understand how human impact on ecosystems can affect us," says Sabrina Sholts.

Smithsonian Voices

Here's Why This Smithsonian Scientist Studies Ancient Pathogens

As a biological anthropologist focused on health, diseases are part of Sabrina Sholts' specialty

Copper wire

Covid-19

Copper’s Virus-Killing Powers Were Known Even to the Ancients

The SARS-CoV-2 virus endures for days on plastic or metal but disintegrates soon after landing on copper surfaces. Here’s why

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