How Much Money Would an Earth-Like Exoplanet Really Be Worth to Us?

The prospect of finding another planet like Earth is exciting from the perspective of exploration — and our future as a species. But let's consider the bottom line. What would such a discovery really be worth for us in terms of money? Astronomy journalist Lee Billings breaks it down for you. » 12/23/14 2:00pm Tuesday 2:00pm

A Mesmerizing Video Shows One Year Of The Moon’s Phases In Five Minutes

The Moon always keeps the same face to us, but not exactly the same face. Because of the tilt and shape of its orbit, we see it from slightly different angles over the course of a month. And when each month is compressed into 24 seconds, as in this video, our changing view of the Moon makes it look as if it's wobbling. » 12/11/14 10:40am 12/11/14 10:40am

NASA’s 'Remastered' View of Europa Is The Best Yet

Europa, Jupiter's sixth-closest moon, has long been a source of fascination and wonder for astronomers. Not only is it unique amongst its Jovian peers for having a smooth, ice-covered surface, but it is believed that warm, ocean waters exist beneath that crust – which also makes it a strong candidate for … » 11/23/14 7:30am 11/23/14 7:30am

Philae's Discovery Of Organic Molecules Is Actually Not A Big Deal

Prior to going into hibernation mode, the Philae lander hurriedly conducted a number of experiments and sent its findings back to Earth. Preliminary analysis shows that the icy and dust-covered comet contains organic molecules. It's a cool discovery, no doubt, but one that shouldn't be exaggerated in terms of its… » 11/19/14 9:40am 11/19/14 9:40am