World Oceans Day has been honored since 1992. It's a day to raise awareness about how we're connected to the oceans and how we can protect ocean habitats.
Before going to the ocean this year, you'll want to know how to avoid rip currents. Watch a video here to learn how to save yourself from these deadly currents.
Betelgeuse will explode as a supernova someday. It's close enough that it'll shine brightly during the day but far enough that Earth won't be in any danger.
Venus after sunset will next reach greatest elongation on June 4, 2023. Look for a blazingly bright object in the sunset direction in evening twilight.
For June babies, pick any of these as your June birthstone: a gleaming pearl, a glowing moonstone, or a colorful and exotic alexandrite. All are lovely choices.
A large ring or circle of light around the sun or moon is called a 22-degree halo. They are caused by high, thin cirrus clouds drifting high above your head.
What's a safe distance from a supernova? To survive a supernova, recent data says Earth would have to be at least 160 light-years away from the exploding star.
The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Sun, Human, Tonight. Since 1994.