4 sunscreen myths too many people still get wrong
Do you really need to reapply sunscreen every two hours? Is chemical sunscreen bad for you? If it’s cloudy out, do you still need to wear sunscreen? There is plenty…
August 2026
APOD: 2026 August 6 – New Sharpest Image of the Sun Uncovers Instability
APOD Science APOD APOD: 2026 August 6 – New… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each…
NASA’s Perseverance Rover Watches Earth Vanish Behind Martian Moon
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) This annotated composite of nine images taken by Perseverance’s Mastcam-Z on July 2, 2026, shows Earth — the small…
Plasma waves spotted on sun’s surface for the first time
With the power of the world’s largest solar telescope, astronomers have successfully glimpsed the sun’s roiling surface in never-before-seen detail. In some of these new images, the cresting vortices that…
Pumas can help prevent car crashes
When it comes to living near large carnivores, the drawbacks for humans are pretty obvious. Namely, you or your pets could become lunch. As for the benefits of this proximity,…
Rescued sea turtle named Pancake swims to hot hangout for young turtles
After roughly two weeks back in the open ocean, Pancake the sea turtle is moving right along. The critically endangered Kemp’s ridley sea turtle (Lepidochelys kempii) was released back into…
Advanced Mini-laboratories Automate Space Station Research
2 Min Read Advanced Mini-laboratories Automate Space Station Research NASA astronaut Tracy C. Dyson swaps out sample processors in the Advanced Space Experiment Processor (ADSEP). Credits: NASA The International Space…
Massive, metal-encrusted megalodon teeth litter deep ocean floor
The National Oceanic and Atmospheric Administration (NOAA) is a little over halfway through a nearly month-long deep sea survey of the South Pacific near the Cook Islands. Its remotely operated…
Watching a banana slug chomp greens with thousands of tiny teeth is oddly soothing
What’s yellow, oblong, and slimy all over? If you’re thinking of a ripe banana, you’re close—but the mystery object is also among Earth’s slowest animals. We’re talking about the banana…
Silver cub spotted on Katmai Bear Cam
Cameras spotted a distinctive brown bear cub (Ursus arctos) on the Katmai National Park bear livestream in Alaska. A cub with white silver fur was seen sitting in the grass…