"Light Echoes" Prove That This Neutron Star is Weirdly Like a Black Hole

Between rainbows, rings, and sharp, hard lines, it’s difficult to not clap my hands in glee while unpacking the levels of awesome crammed in this X-ray image of Circinus X-1. The beautiful bullseye light echoes hint this neutron star is farther, brighter, and more like a black hole than we thought. » 6/25/15 10:30pm 6/25/15 10:30pm

A Rare Glimpse Of Rapidly Pulsating Aurorae Over Iceland

Aurorae are rare. Pulsating aurorae, whose structures fade in and out of existence, are rarer, still. But rapidly pulsating aurorae, like that featured in this video by French astrophotographer Stéphane Vetter (previously), are among the least common of all. This footage is not a time-lapse; the colors in this video… » 6/11/15 11:16pm 6/11/15 11:16pm

Astronomical Knolling Is The Prettiest Way To Organize Objects In Space

What happens when a planetary scientist has a love for order? He creates code that sorts everything from our solar system’s moons to exoplanets into graceful spirals where every object is slightly smaller than the one before. Astronomical knolling is my new favourite way to contemplate the vast scale of space. » 4/19/15 12:11am 4/19/15 12:11am

This Elevation Map Of Mars Makes The Red Planet Much More Colorful

In this brand new map of the Ares Vallis region of Mars, released by the German space agency DLR, you can see the true differences in height between the high and low parts of our neighboring planet. The highest parts, expressed in red, are about 4000 meters (2.4 miles) above the lowest parts, in blue. » 4/14/15 10:30pm 4/14/15 10:30pm

Start Your Weekend With The Hubble Space Telescope's Planetarium Clips

You may not own your own private planetarium — or if you do, can we come over to your house? But you can still experience a journey through the wonders of space, thanks to four new "fulldome" planetarium clips, released by the Hubble Space Telescope. They're available in 4K and 8K resolution. » 2/28/15 9:16am 2/28/15 9:16am