The Story Behind Earth's "Other" Moon And Its Completely Whacked Orbit

We all know and love the moon. We're so assured that we only have one that we don't even give it a specific name. It's just The Moon. But the moon is not the Earth's only natural satellite. Here's what you need to know about 3753 Cruithne and what its weird orbit reveals about the solar system. » 2/25/15 8:40am 2/25/15 8:40am

The Complete History Of Ceres, The Planet (?) Between Mars And Jupiter

Over the last couple of weeks, the Dawn Spacecraft has been beaming back spectacular pictures of Ceres – a world, discovered more than a century before Pluto, about which we know very little. This is the story of its discovery, and humanity's impending visit to one of the last unexplored planetary bodies in the… » 2/23/15 11:00am 2/23/15 11:00am

How To Hack Your Street Lamps Like An Astronaut

A bright street lamp can ruin a night of stargazing, saturating your retinas with light and washing out the comparatively faint glow of constellations and meteors. Here's a handy hack you can use the next time you need to put one temporarily (and reversibly) out of business, courtesy of NASA astronaut Don Pettit. » 2/19/15 3:55pm 2/19/15 3:55pm