Watch a Supercomputer's Fever Dream of the Chelyabinsk Asteroid Flameout

Understanding the dynamics of asteroid airbursts will make us better prepared for them.


The White House Plan to Defend Against Killer Asteroids Is Here

In one of its final acts, the Obama Administration released a report outlining how federal agencies should prepare for an 'Armageddon'-sized impact.


An Amateur’s Guide to Taking Photos of the Perseid Meteor Shower

Never tried taking pictures of the night sky before? Here are some basics to get you started with a DSLR and some enthusiasm.


How Scared Should I Be of Meteors?

The galaxy is teeming with rocks that don't care if we all die. This bothers me a little.


Comets, Meteors, and Other Space Phenomena Depicted Over 1,000 Years

From the Bayeux Tapestry to early American photography.


Mars Was Once Home to 400-Foot-High Waves Caused by Meteor Impacts

Mars had some pretty epic surfing conditions back in the day.


Turns Out a Meteor Just Finished Off the Dinosaurs. They Were Already Fucked

If you were a dinosaur in the late Cretaceous period, the last thing you needed was a meteor.


Video Shows Exploding Meteor Turning the Skies Green in Thailand

When the sky turned green over Thailand, people immediately flocked to Twitter: Was it a meteor, a shooting star, or maybe aliens from a Korean tv show?


The Best Photos from Last Night’s Perseid Meteor Shower Peak

The Perseids were especially stunning this year thanks to a dim Moon.


Your Guide to Watching the Perseids Meteor Shower Tonight

All across the night sky, streaks of light will appear.


The Sluggish Race to Guard the Earth Against Meteors

In the last two decades NASA reported nearly 600 exploding meteorites, many as large as 60 feet, rattling the thermosphere like dynamite. Is anyone worried about that?