sun

Why Does the Moon Shine?

We enjoy the light from the Sun during the day, and then the comforting glow of the Moon at night.…

11 years ago

How Far is Mars from Earth?

This article was originally published on Aug 10, 2012. We've updated it and added this cool new video! Sending spacecraft…

11 years ago

Astronomy Cast 324: Sun Grazers

Comets can spend billions of years out in the Oort Cloud, and then a few brief moments of terror orbiting…

11 years ago

How Does a Star Form?

We owe our entire existence to the Sun. Well, it and the other stars that came before. As they died,…

11 years ago

NASA’s STEREO Spacecraft Spots Comets ISON and Encke

As comets ISON and Encke continue toward their respective rendezvous with the Sun, they have now both been captured on…

11 years ago

Astronomy Cast 322: SOHO

As we've mentioned before, the Sun is a terrifying ball of plasma. It's a good thing we're keeping an eye…

11 years ago

Astronomy Cast 321: Solar Flares

Sometimes the Sun is quiet, and other times the Sun gets downright unruly. During the peak of its 11-year cycle,…

11 years ago

Solar Activity Ramps Up as Giant Sunspot Group Turns to Face Earth

The Sun is finally acting like it’s in solar maximum. Our Sun has emitted dozens of solar flares in since…

11 years ago

Weekly Space Hangout – November 8, 2013

Host: Fraser Cain Guests: Thad Szabo, Scott Lewis, Ian O'Neill, Alan Boyle, Nancy Atkinson, David Dickinson, Jason Major, Matthew Francis,…

11 years ago

Do You Need Some Space?

Of course you do! (Who doesn't?) And so here's a wonderful tour of our Solar System to provide you with…

11 years ago