A new simulation points to a previously untold chapter in Titan’s history

Similarities between lunar samples and Earth's makeup were throwing off a leading theory of the moon's origin

Winds on WASP-76b blow gaseous iron into cooler regions, where it condenses and falls to the planet’s surface as liquid

At 5,000 years old, the weapon predates the era when humans first started using tin to make bronze

New research hints at how different environments impact animal behavior and the spread of infection

Remarkable fossil hints at the traits birds evolved just before an asteroid wiped their nonavian dinosaur kin

"We thought it was a good idea to get a comprehensive record of the site while we could in case the water levels rise," says one official

As monarchs leave their winter hideaways, conservationists are seeking assistance in studying their migration routes

A sweeping new study of 101 mammal species found that females live, on average, 18.6 percent longer than their male counterparts

In its first year, the class attracted more than 1,200 students. The online version is abbreviated, but free

Despite the name, moon won’t have a rosy hue. The name alludes to flowers that bloom in April

The Getty Museum hopes its social media challenge will spark inspiration amid the COVID-19 pandemic

The impact that created Pluto’s 'heart' may have rippled through its ocean and damaged its rear

New calculations show that the ring of light surrounding a black hole is actually made up of infinite subrings that can’t be seen with current technology

Angry historians say the stretch of concrete was one of the largest remaining sections of the inner wall

These flying reptiles patrolled the African skies some 100 million years ago

Starved of resources, these hardy bacteria still eke out a living, suggesting life forms could survive in the harsh habitats on other planets

The planet's temperatures spike around the latitudes where auroras show up

The show ran for just five days before the London museum closed due to COVID-19

The severity of this year's bleaching is second only to 2016, during which a third of the reef’s corals died

In the wild, only about one in 20 caterpillars grows up to be a butterfly

The nine classes span contemporary art, fashion and photography

Blending marshmallows with scientific rigor, the contest offers levity during a difficult time

These cliques wear pink every day of the week

The project hasn’t yet been greenlit, but a proposal just got major funding to explore the potential for the lunar observatory

Canine-equid pairs can mimic each other’s facial expressions during play, which has never been seen between animals of different species

The rendering builds on decades of data that dates back to the Apollo missions, which happened some fifty years ago

The researchers gathered data from 166 surveys of insect abundance around the world, mostly conducted since the 1980s

Earth’s sister planet spins slowly, but its atmosphere whips around at high speeds

Currently in the works, the new monument will honor her contributions and legacy with a contemplative space

Expelled by animals as a waste product, the gas appears to play a crucial role in keeping these bizarre, burrowing rodents safe

Buried in a mass grave in Mexico City, the trio may have been part of the first generation abducted from their homeland and brought to the New World

The rock crash-landed in the Sahara Desert after a presumed collision chipped it off the lunar surface

The rankings stay much the same from year to year, but in 2019, Pembroke Welsh corgis broke the top ten for the first time

From pregnancy to birth and beyond, mothers, both animal and human, show off some amazing skills

This Sunday, celebrate the moms of the animal kingdom with kittens, polar bear cubs, eaglets and more

Airing on the aquarium's Twitch channel at 4 p.m. EST today, the two-hour session will focus on the video game's diverse insect population

Remote Isle au Haut is integrating time-tested technology with emerging innovations to create its own microgrid

The 72-year-old animal was the third oldest in the North American population

The new book 'The Rainbow Atlas' invites readers on a vivid journey across the globe

These paintings, sculptures and illustrations honor the bonds of motherhood

Browse the collections for artworks with a CC0 license as part of the Smithsonian's Open Access Initiative,