Dimorphos, a moonlet orbiting the asteroid Didymos, as seen by NASA's DART spacecraft 11 seconds before impact from 42 miles away.

The Asteroid Hit by NASA Seems to Be Moving Strangely, High School Students Find

After the DART spacecraft made contact with Dimorphos last year, the space rock's orbit is declining more than expected, according to preliminary research

A bison runs amid the snow in Yellowstone National Park.

See Ten Breathtaking Images From the Wildlife Photographer of the Year Contest

The highly commended shots call to mind both the wonders of the animal kingdom and the risks wild creatures face

Sixteen-year-old Lindsey Stallworth cleans the whale skull in the lab at the Alabama School of Mathematics and Science.

Teenager Helps Uncover 34-Million-Year-Old Whale Skull in Alabama

Working with one of her teachers, the 16-year-old student found the fossil, which may represent a new species, on her family’s property

A supermoon rises in Washington, D.C., on March 9, 2020.

How Rare Is the 'Super Blue Moon' Appearing in Skies Later This Week?

And why do they even call it a "blue moon" when it won't actually be that color?

A meteor streaks across the sky during the 2016 Perseid meteor shower in Spruce Knob, West Virginia.

How to Watch the Highly Anticipated Perseid Meteor Shower

This weekend, sky conditions will be almost perfect to catch a glimpse of shooting stars during one of the year's best celestial shows

A sun bear at the Hangzhou Zoo in Hangzhou, Zhejiang province, China, on August 1, 2023.

Sun Bears Are Not Humans in Disguise, but They Deserve to Go Viral Anyway

Learn five reasons the ursines are so amazing, including their ten-inch-long tongues

A female American kestrel, the smallest falcon in North America, catches a bug in her beak. Among other traits, female kestrels can be identified by black bars on the tail; males have red tail feathers with black tips.

See Stunning Images of Female Birds, Often Overlooked by Wildlife Photographers

The sex frequently neglected by birders and scientists takes the spotlight in the Audubon Photography Awards’ Female Bird Prize

Southern Delta Aquariids meteors and the Milky Way above Mount St. Helens

How to Watch the Striking Southern Delta Aquariids Meteor Shower

The spectacle is among several showers brightening skies this week, including the highly anticipated Perseids

The sun sets during a record heat wave in Tempe, Arizona, on July 18, 2023.

From Japan to Louisiana to Rome, Here Are Ten Heat Records Earth Has Broken Since June

As the planet clocks the warmest June ever, here's a list of temperature marks that fell this summer

RCW58, a Wolf-Rayet bubble nebula, is made of ejected material from the star WR 40, which shines at the center of the image.

See Ten Dazzling Space Images From the Astronomy Photographer of the Year Awards

From comets to nebulas to the Milky Way, the shots shortlisted in the annual competition capture the beauty of the cosmos from Earth

Researchers caught and tagged a 13-foot-long female sawfish off the coast of Cedar Key, Florida, in June.

13-Foot Endangered Sawfish Spotted in Northern Florida Hints at a 'Slow Recovery'

Scientists tagged the rare animal farther north than any such fish in decades, suggesting the species is returning to areas it once lived

A reddish egret catches a fish.

See 11 Breathtaking Bird Images From the Audubon Photography Awards

The pictures capture the marvelous behaviors of Earth's feathered species and the habitats they need to survive

The white spots on the edges of a monarch butterfly's wings might give it an advantage while migrating, according to new research.

Monarch Butterflies’ Signature White Spots May Help Them Fly

These long-distance migrants could get a boost from their striking coloration, which may reduce drag by heating and cooling air unevenly

Skywatchers can see five planets this week.

How to Watch Five Planets Align in the Night Sky This Week

Mercury, Venus, Mars, Jupiter and Uranus will appear as if in a parade in the Western sky on Tuesday

An illustration of exoplanet VHS 1256 b, which is surrounded by clouds of hot silicate particles.

James Webb Telescope Spots Raging Dust Storms on an Exoplanet

The far-off world also has signs of water, methane, carbon monoxide and carbon dioxide

A puffin in soft light surrounded by faint raindrops.

See 15 Amazing Wildlife Images From the Sony World Photography Awards

The contest showcases the work of some of the planet’s best photographers

One standout feature of the renovated Bird House at the Smithsonian's National Zoo and Conservation Biology Institute is the chance for close-up, interactive experiences (above: a cedar waxwing).

Experience the Wonder of Migration at the National Zoo’s New Bird House

Following a six-year renovation, the revamped exhibition will open March 13 with three indoor aviaries

The 16.7-pound meteorite is thought to be an ordinary chondrite, the most common kind of space rock.

Researchers Find Rare 17-Pound Meteorite in Antarctic Ice

The polar desert is a prime zone for preserving space rocks dating back to our early solar system

Five images display (A) an unhatched egg, (B) a circular outline of a possibly unhatched egg, (C) a compressed egg showing hatching window (arrow) and eggshells collected around the hatching window (circled), (D) an egg showing a curved outline, and (E) a deformed egg showing egg surfaces slipping past each other.

Scientists Uncover Nearly 100 Dinosaur Nests in Fossilized Hatchery

The find reveals that plant-eating titanosaurs had reproductive similarities to both birds and crocodiles

A snowshoe hare in Rocky Mountain National Park in Colorado

See 25 Stunning Images From the Wildlife Photographer of the Year Contest

Vote for your favorite among these photos shortlisted in the People's Choice category until February 2

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