Enjoying EarthSky? Subscribe.

117,157 subscribers and counting ...

Videos

Video: New 3D look at brain circuitry

The connections between neurons in the brain are involved in everything we do, and no one’s pattern is the same.

Is a solar flare the same thing as a CME?

Your Friday FAQ …

Solar flares and CMEs – coronal mass ejections – are both gigantic explosions of energy on the sun, but they’re not the same thing.

Sneak preview: Colorful lunar eclipse on October 7-8

Before sunrise on October 8, the bright full moon over North America will turn a lovely shade of red. It’s a total lunar eclipse that’s visible from all parts of the U.S.

Everything you need to know about the October 7-8 total lunar eclipse

Time-lapse video of Meadow Fire in Yosemite

The Meadow fire in Yosemite National Park is still burning, but nearly 100 percent contained now. This video by QT Luong shows the beauty and terror of wildfire.

Video: Jellyfish flame on the ISS

Fire in space doesn’t act like fire here on Earth. Untethered by gravity, flames in space curl themselves into tiny balls. Here’s a new NASA video on experiments on combustion in microgravity aboard the International Space Station.

What’s the source of a mysterious ozone-depleting chemical?

The Montreal Protocol put the brakes on ozone-depleting chemicals 30 years ago. But one compound is still abundant in Earth’s atmosphere. Where’s it coming from?

Researchers discover remains of colossal 65-ton dinosaur

Researchers have uncovered a 77-million year old, plant eating, super-massive Titanosaur. The huge animal weighed as much as a herd of elephants.

Astronomers define boundaries of our home supercluster and name it Laniakea

The immense supercluster of galaxies containing our own Milky Way is 500 million light-years in diameter and contains the mass of a hundred million billion suns.

Video: Your brain on coffee

We love coffee! Coffee is the second most-traded commodity on Earth, after oil. How does the world’s favorite drug actually work? New video from AsapSCIENCE.

What if you could see the sound of a nightingale?

Andy Thomas of Australia is a multimedia artist, who makes 3D animations of bird songs. He calls them “audio life forms.”