Not one, but two orca calves return with endangered Southern Residents

A second baby orca has been spotted with L pod, a significant discovery as the endangered Southern Resident killer whales have struggled with new births for several years.

Marvel at never-before-seen octopus nursery found off coast of Costa Rica

An international team of scientists recently explored previously unseen seamounts off of Costa Rica. What they found on their expedition was a new active octopus nursery and witnessed babies hatching.

Video: playful orcas spotted off California coast

A group of orcas were seen playing near the surface for hours off the coast of California, according to a whale-watching group.

Saturn’s rings glow in new image captured by James Webb telescope

Saturn’s atmosphere contains methane gas which absorbs sunlight, unlike its rings which are made up of billions of small chunks of ice and rock and appear brighter in the image.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

Heads up: 7 planets will be in retrograde this summer

The planet Mercury is in retrograde most often because it's the fastest planet traveling around the sun, NASA explained.

Critically endangered turtle hatchlings found, captured on video

According to researchers, this is the first official record of Burmese peacock softshell turtle hatchlings in the wild.

Watch: Dingo bites sunbathing tourist on Australian beach

Wild video shows the moment a dingo moved in on a group of beachgoers and bit a French tourist's backside.

Biden administration moves to restore endangered species protections dropped by Trump

The Biden administration has proposed new rules for protecting imperiled plants and animals as officials move to reverse changes under former President Donald Trump that weakened application of the Endangered Species Act.