Photo of the Day

sea lion swimming

Mother Nature Network's Photo of the Day is a way to bring you more great photos, a place to share everything beautiful about Earth — from landscapes and wildlife to beautiful design. As a bonus, some of these great images are from MNN readers and fans. If you're interested in joining our group, please check out our Flickr page to learn more.

If you like our Photo of the Day, check out MNN Lists and MNN Quizzes. (Photo: Shutterstock)

NASA's InSight lander captures intimate sights and sounds of Mars

First-ever insect vaccine could help save bees

More than 95% of the world's population is breathing unsafe air

Meet the bilby! 5 fast facts about this adorable Australian animal

Sully, George H.W. Bush's service dog, has a new mission

Why jaguars are under siege

Northern California's Camp Fire has been contained

For 4,000 years, termites have been building these massive mounds in Brazil

Like humans, orangutans 'talk' about the past

This unique warbler is 3 bird species in 1

Federal judge halts construction of Keystone XL pipeline

When Earth gets this colorful sheen, it's called airglow