The dusky antechinus is endangered -- and not only because all the males die from the stress of having too much sex every year.
NASA's plucky old rover Opportunity reached a new milestone by topping a marathon distance on Mars.
Football schmootball. Instead of watching NFL teams throw the pigskin around this Thanksgiving, why not watch a "Mystery Science Theater 3000" marathon with new intros by the series creator?
Extra Life's event, held over the weekend, benefits Children's Miracle Network Hospitals.
The 31-day expedition at the Aquarius lab turned a spotlight on the wonders of the underwater world, inviting landlubbers to follow along in real time.
When some flatworms can't find a mate, a new study says, they reproduce in a way that will make you thank the god of your choice you're not a flatworm.
You don't have to run marathons to appreciate the S6 Active's sturdiness and "waterproof" backing.
Didn't make plans for the night? Fear not. An app making a play on Kickstarter offers up a list of options so even the worst procrastinators can find social joy.
The new free, ad-supported streaming service offers a cool collection of cult classics, including "The Twilight Zone," "Dennis the Menace," "The Mary Tyler Moore Show" and "Plan 9 from Outer Space."
The idea of running 26 miles can be daunting, especially if you're a beginning runner. But a slew of fitness trackers and GPS watches are helping people who have never run before get started and stay on track. CNET's Sumi Das shows us how the devices are motivating runners to finish their first marathons.