Dried cochineal insects — shown here in the center of the photo — can be processed to create several natural dyes such as carmine and cochineal extract. These products get their red hue from carminic acid, a chemical found within the insect.

Scientists Are Making Cochineal, a Red Dye From Bugs, in the Lab

Used to color foods and cosmetics, carminic acid is traditionally ‘farmed’ from an insect. But researchers are moving to engineer it in microbes

A captured fisher is released after undergoing sedation and physical examination, a part of the Hoopa Valley Tribe’s longstanding efforts to monitor the culturally important species.

Inside the Hoopa Valley Tribe’s Quest to Understand a Rare Carnivore

The tribe maintains some of the most detailed documentation of fishers in North America

Eileen McSaveney (left) and Terry Tickhill (right) use a hand augur to drill Lake Vanda, Wright Valley, Antarctica, during the 1969-1970 field season. Water collected during this effort was used to date the lake.

Ten Pioneering Women of Antarctica and the Places Named for Them

These coves, peaks, glaciers and other landmarks honor female explorers and scientists who have contributed to our understanding of the continent

Boas constrict their prey to death.

How Boa Constrictors Breathe While Squeezing the Life Out of Their Prey

Researchers outfitted the snakes with electrodes and scanned them using X-rays to see how the flexing predators managed to take in air

A Spinosaurs hunts a Onchopristis underwater. Dense bones helped the predator swim at depth.

Heavy Bones Helped Some Spinosaurs Swim

The crock-snouted dinosaurs were just as capable in the water as on land

For many behind the so-called anti-vax movement, faith is the ultimate protection. At an anti-shutdown rally in Harrisburg, Pennsylvania, a protester painted the hood of his truck with the motto “Jesus is my vaccine.”

What the History of Science and Religion Reveals About Today’s Divisive Covid Debates

A new Smithsonian book and exhibition explores the ongoing conflicts and reconciliations between faith and technology in American life

This illustration shows NASA's InSight spacecraft with its instruments deployed on the Martian surface.

This Important Geophysical Robot on Mars May Die Soon

The InSight observatory has a seismometer and a heat probe, which have enabled it to gather data on rock layers below the planet’s soil

A first grade student receives a Covid-19 vaccine in Chicago, Illinois

Six Important Things to Know About Covid Vaccination in Children

Experts share the latest research and advice about protecting kids

Bottlenose dolphins swim in the Moray Firth Special Area of Conservation off Scotland. The photo was taken by an aerial drone.

In a First, Scientists Use Drones to Detect Pregnant Dolphins

Researchers say the new tech will help them better understand bottlenose dolphin reproduction

A fossil of a Diegoaelurus jawbone was recovered from a construction site in Oceanside, California.

Paleontologists Uncover the Oldest Sabertoothed Predator

Fossil jaw shows earliest evidence of a specialized carnivore with scimitar-shaped fangs

Further analysis of bones collected from the Bluefish Caves in Yukon is expanding scientists’ understanding of what early Americans were up to

What Were Humans Doing in the Yukon 24,000 Years Ago?

Scientists have examined remains from caves and think the shelters served as temporary camps for hunters who targeted horses

Red pandas are classified as endangered and are legally protected in their home countries.

Before Seeing ‘Turning Red,’ Learn These Amazing Red Panda Facts

Delight your friends with these eight surprising details about the furry creatures

Dorchester County artist Michael Rosato painted a mural of Harriet Tubman in Cambridge, Maryland.

Women Who Shaped History

Harriet Tubman Is Famous for Being an Abolitionist and Political Activist, but She Was Also a Naturalist

The Underground Railroad conductor’s understanding of botany, wildlife biology, geography and astronomy allowed her to guide herself and others to safety

The Venus flytrap Dionaea muscipula is the most sophisticated of the carnivorous plants. Its traps snap shut in a fraction of a second, imprisoning prey in a cage of teeth that line the edges of the trap.

How Carnivorous Plants Evolved

Botanists are beginning to trace the origins of their gruesome appetites

To better understand how hypoxia—dangerously low oxygen levels—affects crabs, researchers and fishers are working together to find a way to adjust to changing conditions in the northeast Pacific Ocean.

A New Tool May Help Crab Fishers Sidestep Dead Zones

Low-cost sensors that fit into crab pots could provide real-time data on oxygen fluctuations in the ocean

The Carnegie under full sail.  Cruise VII, Pacific Ocean.  November 14, 1928.

Inside the Last Journey of the ‘Carnegie’

The groundbreaking ship and its dedicated captain shaped our understanding of the Earth’s magnetic field

Building a Corsi-Rosenthal box portable air filter comes down to duct-taping together a set of furnace filters and a box fan.

The Homemade Air Purifier That’s Been Saving Lives During the Covid-19 Pandemic

Made from everyday items found in hardware stores, the Corsi-Rosenthal box is a testament to the power of grassroots innovation

Bones communicate in varying ways with other parts of the body.

How Bones Communicate With the Rest of the Body

A new vision of the skeleton as a dynamic organ that sends and receives messages suggests potential therapies for osteoporosis and other problems

Within a few years, NASA’s OSAM-1 mission will launch into space and use a robotic arm to refuel the Landsat 7 Earth-observation satellite, as shown in this animation.

Robots May Soon Fix and Fuel Satellites in Space

Orbiting machines that grip, grapple and maneuver could one day maintain the fleet of small spacecraft that encircle Earth

A greater horseshoe bat can use echolocation to target an insect meal.

Five Amazing Adaptations That Help Animals Thrive in the Dark

From snakes that use infrared radiation to find prey to deep sea fishes that communicate via bioluminescence, these creatures flourish without light

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