Scarlet macaws are native to the tropics. So how'd they end up in New Mexico?

A Macaw Breeding Center Supplied Prehistoric Americans With Prized Plumage

This yet-undiscovered breeding center is likely one of the first instances of exotic animal husbandry in the region

Betsy Congdon, lead engineer for Parker Solar Probe’s heat shield, looks on as technician Tony Ahan attaches the interface plates that will allow the heat shield above them to eventually be installed onto the spacecraft.

Behind the Scenes With the Spacecraft That Will Soar Through the Sun's Atmosphere

The probe, which launches Sunday, will attempt to solve enduring mysteries about the sun

Darwin, described by caretakers as a bit "goofy," befriended even the Zoo's cassowary, widely considered one of the world's most dangerous birds.

The National Zoo’s Beloved, Aging Emu Has Died

Darwin delighted zoo patrons for 21 years with his clever antics and charisma

A view of the Perseid meteor shower over Northern Ireland in 2017.

Why This Year's Perseid Meteor Shower Promises to Be Especially Dazzling

Thanks to the moon’s conspicuous absence, those looking up at peak viewing hours will see 60-70 shooting stars every hour

Many friendly foxes carried a version of a gene that differed from their feral counterparts.

What the Fox Genome Tells Us About Domestication

After only a few decades of domestic breeding, friendly foxes have social behavior woven into their genes

Zebra finches fire up brain regions and vibrate their vocal cords in ways that mimic singing, even while asleep.

Zebra Finches Dream a Little Dream of Melody

Zebra finches flex their singing muscles while snoozing, as if they're lip-syncing in their sleep—and scientists want to know why

Four Przewalski's horse foals—one filly and three colts—have been born at the Smithsonian Conservation Biology Institute since mid-March.

Four Foals Join the Herd of Przewalski’s Horses at the Smithsonian

This endangered species, native to Mongolia, China and Kazakhstan, is slowly being revitalized with the help of conservation scientists around the world.

A koala in the Vienna zoo.

Koalas Use Ancient Viral DNA to Neutralize New Invaders

And the research on the fluffy marsupials may help unlock the secrets of the human genome’s viral relics

This science is poppin’

Popcorn-Powered Robots? Get 'Em While They’re Hot!

In an attempt to harness the power of pop, researchers went against the grain to push the boundaries of this staple starch

One of the meg's fearsome teeth, shown here in this extreme close-up.

The Real Science Behind the Megalodon

As <I>The Meg</i> hits theaters, dive into what we <i>really</i> know about this chompy predator

This critter soaks in the heat of a 112 degrees Fahrenheit day in Death Valley.

Death Valley Scorches Its Own Record for the Hottest Month in History

Temperatures averaged a blistering 108.1 degrees Fahrenheit for the month of July

Balding on the lemurs' lower backs indicated frequent itching and scratching associated with rashes caused by a common pesky parasite.

Lemurs Smear Bugs on Their Privates to Ward Off Infection

Lathering up with orange goo from millipede guts might relieve infections, expel parasites in lemurs

Fathers can communicate their priorities through a growing fetus, which can express a set of paternal instructions that increase future care from mothers.

How Dad's Genes Can Prepare Mom for Parenthood

Even fathers who don’t provide childcare to their offspring have a way of securing their kids’ futures—by ramping up mom’s hormones

Even at three-and-a-half months, the inquisitive Moke has already begun to explore his surroundings and approach the other members of his troop.

At Nearly Four Months Old, the Zoo’s Youngest Gorilla Has Begun to Show His Rambunctious Roots

Moke, the National Zoo’s first infant gorilla in nine years, enlivens the primate house with chatter and play.

A fisher from a small-scale fishery in Honduras hooks a yellowtail snapper—a species of fish that may vary its shape depending on where it's sourced.

To Pinpoint the Origin of a Fish, Check Out Its Physique

A new cost-effective tool may help small-scale fisheries simply and accurately determine the origins of a day's catch.

For sperm, there's a vas deferens between start and finish, but the epididymis is what alters these swimmers en route.

Dads Pass On More Than Genetics in Their Sperm

Seminal research reveals that sperm change their cargo as they travel the reproductive tract—and the differences can have consequences for fertility

Mars' south polar cap as it appeared to the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) on April 17, 2000. Strong evidence of an underground lake was found nearby.

Compelling Evidence Suggests There's a Liquid Lake Beneath Mars' Surface

But do the findings hold water?

Scientists don full-body suits to minimize contamination and disturbance of the precious artifacts uncovered in the 1617 church in Jamestown, Virginia, where a new skeleton awaits identification.

A Jamestown Skeleton is Unearthed, but Only Time—and Science—Will Reveal His True Identity

Jamestown Rediscovery archeologists use new technology to uncover the bones of one of the first English colonists

Would your pup come to your rescue?

Why the Most Helpful Dogs Keep Calm and Carry On

Dogs are willing to overcome obstacles to help people in distress—as long as they keep their cool

Total lunar eclipse photographed near Calgary, Alberta, Canada, in 2007.

The Century’s Longest Lunar Eclipse Will Shroud the Moon This Week

Including phases where the moon is partially masked, the event will last nearly four hours total

Page 15 of 17