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 Yesterday 9:16am

The First People On Mars Could Have One Hell Of A Case Of Jet Lag

A day on Mars—or a "sol"—is 24 hours and 40 minutes long, close enough to Earth's that for a long time NASA didn't think much of it. But those 40 minutes a day add up, and sleep scientists now worry that our Earthly circadian rhythms could be one more major headache for the first humans on Mars. » 2/26/15 2:45pm Thursday 2:45pm

What being strapped to a rocket launch looks like (hint: awesome)

This is just awesome. A camera was strapped onto a GoFast 2014 rocket—an amateur rocket that set the record for highest and fastest rocket ever launched into space—so that we can see the entire launch from the rockets point of view. The initial burst and thrust into the air is epic and then the world starts spinning… » 2/24/15 9:33pm Tuesday 9:33pm

Looking for Alien Life on Bizarre "Eyeball Planets" 

It's easy for us Earthlings to imagine life evolving on planets like ours. But there are exoplanets out there that strain the imagination. Take "eyeball planets," which are half frozen, half broiling with the heat of their suns. Earthlike planet Zarmina, in the Gliese system, is one of these. We shouldn't rule these… » 2/20/15 6:35pm 2/20/15 6:35pm

Black Hole Emits Ferocious Winds With the Energy of a Trillion Suns

A black hole and its galaxy are locked in a cosmic struggle, evolving in tandem and balancing each other's growth. In this artist's recreation, you can see cosmic winds howling out of supermassive black hole PDS 456. These winds are so strong that they prevent the galaxy from forming new stars. » 2/19/15 8:00pm 2/19/15 8:00pm

Find Out Where All Our Space Probes Are Right Now

The many space agencies of Earth have sent out a number of probes over the years to explore our solar system and beyond. Now Spacehack founder Ariel Waldman and SETI web developer Lisa Ballard have created a helpful guide to all our currently functioning probes — along with amazing minimalist designs for each one. » 2/19/15 7:05pm 2/19/15 7:05pm

This Polish Human Centrifuge Has Special Ways of Making You Sick

The human centrifuge has been a staple of space cinema and Bond movies for decades, and they're still used to prepare astronauts and pilots for the effects of gravity shifts. But this Polish version has an extra-special trick up its sleeve, to to make your guts spin almost as fast as it does. » 2/18/15 6:30am 2/18/15 6:30am

How Asteroid Mining Could Pay for Our First Space Colony

Many of us dream of living on other planets, but are two things we'll need before it can actually happen: money and raw materials. Now some companies say they have a solution to this problem. They'll mine asteroids for valuable metal ores, and for basic resources like water that we'll need once we're far from Earth. » 2/17/15 1:00pm 2/17/15 1:00pm