The world was supposed to end in May 2011, according to one prophecy, unless that was really just the beginning of the end, in which case the end of the end is set for Wednesday.
It's not just for couch potatoes...a pill to at least supplement your workout may arrive one day, and some researchers think they've got a way to make that happen.
What would it be like to see Mars firsthand if you were scrambling across it to survive? See for yourself, in 3D, even.
For most of 2015, the dwarf planet has been beaming a mystery back at us. Now NASA has an educated guess that might surprise you.
Luju Ojha is a graduate student, guitarist and scientific jack-of-all-trades who helped find water on Mars, all at an age when many people are still living in their parents' basement.
Oddsmakers apply statistical science to pick sports winners, but CNET's Eric Mack says one handicapper seems to have ignored the stats when picking the team of scientists to win the race to Mars.
It's just a few weeks till the 2015 date Marty McFly and Doc Brown visited from 1985. To celebrate, Doc is going Back to the Future one more time.
Turns out a champion mixed martial arts fighter armed with only his bare feet and hands can do more damage to a gadget than just about anything else. Man beats machine!
A rare supermoon lunar eclipse turned our satellite blood red Sunday night, and photographers worldwide captured the blushing beauty. Here are some of the best shots we could find.
NASA's Mars Reconnaissance Orbiter has confirmed that mysterious lines on the surface of the planet are evidence of liquid water. CNET's Eric Mack spoke to the scientist behind the groundbreaking discovery.