This 2013 photo of P-22 helped catapult him to fame. The cougar inspired conservation projects for urban wildlife and earned a robust Instagram following.

Why Los Angeles Fell in Love With the Mountain Lion Known as P-22

A local celebrity, the feline that was the face of several conservation campaigns died this weekend

Giving a nod to previous human flight and exploration is a tradition of space travel.

Ten Strange and Amazing Historical Artifacts We’ve Launched to Space

As spaceflight catapults us into a high-tech future, several missions have made sure to honor the past

In this composite image from the Geminid meteor shower in 2014, more than 100 meteors can be seen.

How to Watch the Radiant Geminid Meteor Shower

The spectacle, often one of the best showers of the year, will peak December 13 to 14

This year’s picks include Fresh Banana Leaves, Origin and Starry Messenger.

The Ten Best Science Books of 2022

From a detective story on the origins of Covid-19 to a narrative that imagines a fateful day for dinosaurs, these works affected us the most this year

The top ten toys rated by Purdue University engineers help children build spatial reasoning, problem solving, coding and design thinking skills, among others.

Engineers Pick the Ten Best STEM Toys to Give as Gifts in 2022

Children can build strategy, critical thinking and resilience during expert-approved play

The Space Launch System rocket lifted off from Cape Canaveral, Florida, early Wednesday morning, kicking off NASA's Artemis moon program.

NASA Launches Artemis 1 in Giant Leap Toward Returning to the Moon

The historic event has brought humanity one step closer to walking again on the lunar surface

The Wright Flyer is among the iconic artifacts held at the Smithsonian. When visitors come to see it, they tend to fall silent, says curator Peter Jakab. “People often recognize that they’re standing in front of something special.”

How the Wright Brothers Took Flight

The remarkable story of how the duo grew to become world-changing inventors and international celebrities

Giraffe drinking with oxpecker birds in the background in South Africa

View 16 Breathtaking Images From the Nature Conservancy's Annual Photo Contest

The winning shots feature everything from glowing mushrooms to sauntering lions

Calli moves around on land.

Beloved Sea Lion at National Zoo Dies Unexpectedly

Calli, a 17-year-old California sea lion, is remembered by zoo staff as a good mother and ambassador for her species

The James Webb Space Telescope's latest image: the Orion Nebula

See the Best View Yet of the Orion Nebula

The James Webb Space Telescope has captured young stars and vibrant gas and dust within the popular constellation

The Space Launch System Rocket on the pad on August 17

Artemis 1 Launch Postponed Again and What Else You Need to Know About the Mission

NASA’s historic return to the moon will begin when the rocket takes off from Florida

A critically endangered Kemp's Ridley sea turtle nesting.

Critically Endangered Sea Turtle Lays Eggs on Texas Beach

Conservationists were thrilled that the Kemp’s Ridley had nested in a new location, increasing its long odds for survival

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