Putting an age on Saturn's ring system

When, exactly, Saturn acquired its iconic ring-system is a longstanding point of debate among planetary scientists. Some maintain the structures formed relatively recently, while others argue they formed long ago. Now, newly collected data suggest the rings likely formed 4.4-billion years ago, lending strong support… » 12/13/13 9:30am 12/13/13 9:30am

What the heck is going on with Saturn's rings in this photograph?

NASA's Cassini orbiter just beamed back its latest batch of images of Saturn and its various satellites. They are, as usual, gorgeous, but this stunning view of the planet — photographed from below the plane of its rings — really captured our attention. Our immediate reaction: what has become of the planet's rings? » 8/29/12 8:45am 8/29/12 8:45am

Star Trek engagement ring guarantees a lifetime of "Engage" jokes

For the lady who loves Star Trek and doesn't mind hearing the same joke over and over again, Etsy seller VaLa Jewellery offers this engagement ring in the shape of the Starfleet insignia. And, in Federation-appropriate fashion, it's not studded with a diamond, but instead with a white sapphire. The ring is sterling… » 6/10/12 12:00pm 6/10/12 12:00pm