Science

A nurse conducts a swab test for SARS-CoV-2 in Chessington, England.

Covid-19

Breaking Down the Two Tests That Could Help Contain the COVID-19 Pandemic

One detects an active infection; another signals that the virus has already left the body. Both are critical for tracking the spread of disease

Red siskins, (above: a trapped female rescued at a local market by wildlife authorities) listed as endangered by the International Union for Conservation of Nature, face threats from habitat loss, and poaching for the pet trade.

Heavily Trafficked Songbirds Have a Path Back to Resiliency

Researchers see promise in recruiting red siskin pet traders as conservation partners

Airburst from a comet may have destroyed a Paleolithic settlement 12,800 years ago.

A Comet May Have Destroyed This Paleolithic Village 12,800 Years Ago

Fragments of a comet likely hit Earth 12,800 years ago, and a little Paleolithic village in Syria might have suffered the impact

A group of Humboldt squid swim in formation about 200 meters below the surface of Monterey Bay

Deep-Sea Squids Glow to Communicate in the Dark

Researchers suggest that the Humboldt squid uses bioluminescent backlighting for visual cues in the dark deep sea

The Drimolen excavations and excavated fossils.

In Groundbreaking Find, Three Kinds of Early Humans Unearthed Living Together in South Africa

The different hominid species, possibly including the oldest-known Homo erectus, existed in the region's hills and caves

The face of a sweat bee (Megalopta amoena) that is half female (viewer's left, bee's right) and half male (viewer's right, bee's left)

Meet the Bee With a Body That’s Half Male, Half Female

So-called gynandromorphs are rare, but they can teach us a lot about development and evolution

A lithograph by Alice Dick Dumas depicts children going to a clinic for a health check to prevent the advance of disease.

Covid-19

How Epidemics of the Past Changed the Way Americans Lived

Past public health crises inspired innovations in infrastructure, education, fundraising and civic debate

Danish physician Nadja Albertsen spent a year at Concordia Research Station in Antarctica.

Covid-19

Ten Tips From Scientists Who Have Spent Months in Isolation

Find a hobby, for starters, and don't forget the mission, say scientists who have worked at remote research stations

Can you become immune to SARS-CoV-2?

Covid-19

What Scientists Know About Immunity to the Novel Coronavirus

Though COVID-19 likely makes recovered patients immune, experts aren't sure how long protection lasts

Stromatolites at Lake Thetis, Western Australia

Why It’s So Difficult to Find Earth’s Earliest Life

Debate over Earth’s oldest fossils fuels the search for our deepest origins

Reconstruction of Dineobellator notohesperus and other dinosaurs from the Ojo Alamo Formation at the end of the Cretaceous Period in New Mexico by Sergey Krasovskiy. This reconstruction shows three Dineobellator near a water source, with the ceratopsid Ojoceratops and sauropod Alamosaurus in the background.

New Feathered Carnivorous Dinosaur Found in New Mexico

Dineobellator was a formidable predator and boasts the battle scars to prove it.

How should you discuss a topic as scary and complicated as a pandemic with children?

Covid-19

How to Talk With Children About COVID-19

An early childhood education expert provides tips about how to explain the ongoing pandemic to children

USS Vincennes in Disappointment Bay, Antarctica, during the Wilkes expedition.

The Forgotten American Explorer Who Discovered Huge Parts of Antarctica

It’s been more than 180 years since Charles Wilkes voyaged to the Antarctic continent and his journey has never been more relevant

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Covid-19

Covid-19

Providing historical context and scientific evidence as the pandemic unfolds

Pohl emphasized that killing rats was a civic duty, telling the Oregonian that “everyone in the city, rich and poor, should consider it his duty to exterminate rats.”

Women Who Shaped History

The Pioneering Health Officer Who Saved Portland From the Plague

Tasked with curbing a 1907 outbreak, Esther Pohl emphasized the importance of clean, vermin-free environments

Fibonacci spiral

The Fibonacci Sequence Is Everywhere—Even the Troubled Stock Market

The curious set of numbers shows up in nature and also in human activities.

The tobacco mosaic virus seen under 160,000× magnification

Covid-19

How a Few Sick Tobacco Plants Led Scientists to Unravel the Truth About Viruses

With the COVID-19 coronavirus causing a global pandemic, a look back at the scientists who figured out viruses and their relationship to disease

Al Worden visits his Apollo 15 spacesuit at the National Air and Space Museum

Smithsonian Voices

Remembering Al Worden

Apollo 15 Command Module Pilot Alfred "Al" Worden, an aviator, engineer and storyteller passed away on March 18, 2020

Warmer weather can bring blooms. But don't expect it to resolve the COVID-19 pandemic on its own.

Covid-19

Why Warmer Weather Probably Won’t Stop COVID-19

Yes, most infectious diseases are seasonal. But waiting for COVID-19 to wane on its own is a bad idea

As climate change brings moister, warmer air, lightning is increasing and causing fires in the boreal forests where that used to be rare.

Why Does Lightning Rarely Strike in the Arctic? And More Questions From Our Readers

You’ve got questions, we’ve got experts

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