Posts by 

Deborah Byrd

Aurora over Glacier National Park

Mesmerizing video of northern lights, resulting from storms on the sun that send charged particles across space, to interact with Earth's magnetic field.

Snake eats lizard eats beetle

Scientists have discovered a 48-million-year-old fossil food chain in Germany. It's a snake with a lizard in its stomach, which in turn had eaten a beetle.

Rare proton arc over Canada

We see lots of photos here at EarthSky, but few photos of a proton arc. It's a rare type of aurora, and experts aren't entirely sure what causes it.

Moon passes Venus, October 2016

Nighttime's 2 brightest objects, near each other! Photos from around the world, here.

Comet strike after dinosaur extinction?

An extraterrestrial impact likely caused the dinosaur extinction 65 million years ago. Did a comet strike 10 million years later cause a global warming?

A forming solar system with spiral arms

Astronomers are beginning to find spiral structure in forming solar systems, which was earlier predicted by theory.

Farewell, Rosetta comet mission

ESA's great Rosetta comet mission has come to an end. Details from its final hour, here.

Star party ahead

At a star party, amateur astronomers with telescopes will show you the night sky.

Need details on SpaceX’s Mars mission?

Links, photos and more about Elon Musk's plan to make humans a multiplanetary species.

Cassini begins epic final year at Saturn

The spacecraft will plunge repeatedly between Saturn and its rings, and finally execute a headlong plummet into the body of Saturn itself.