A meteorite from Mars that landed on Earth in 2011 contains a carbon compound that is biological in origin.
A large comet swooped in close to Mars over the weekend. NASA's orbiters had to hide from the debris, but still captured some great shots.
The closest look ever at a new comet will happen when the mountain-size comet Siding Spring buzzes past Mars this weekend.
A new company called Mesoloft will rocket your ashes to near space, where they will likely traverse the globe before becoming the seeds of raindrops and snowflakes.
You should't feel as alone today as you did yesterday. NASA says it has confirmed the existence of 715 new exoplanets beyond our solar system, many of them not that different from Earth in terms of size.
Princeton researchers say their two-camera approach offers the most detailed footage of a nano-sized particle to date, which could ultimately shed light on how viruses and cells interact.
This ain't your grandma's "Poky Little Puppy." Artists turn out imaginary versions of Little Golden Books starring time travelers, meth makers, and sci-fi heroes.
The upcoming $100 wireless controller uses Bluetooth to pair with any iOS 7 device.
Sony and Microsoft have delivered their next-gen visions, but with this caveat: more microtransactions. Cash grab or survival strategy, it will surely generate controversy as 2014 rolls along.
The potential comet of the century grazed the sun last week, and it now appears it didn't survive to put on a once-in-a-lifetime Christmas show for us.