Key ingredient of life might have come from comets
Ribose could form in space despite the harsh conditions.
Study says people get turned on by touching a robot's privates
Though it's not always and necessarily sexual arousal.
Stats show small drones pose 'minimal' risk to planes
You're more likely to get hit by lightning, than see a plane damaged by a drone.
High-speed video shows how water lily beetles sprint on water
These critters move fast, and now we know how they do it.
Medicated vaginal ring can reduce risk of HIV infection
Two separate studies tested the silicone ring on African women.
Robots are friends, not job-stealing foes
A new study says they'll most likely be working side-by-side with humans.
Virtual reality could help fight depression
It's early days, but initial trials are positive.
Diatoms are a biological wonder material, new study says
They're extremely resilient, thanks to their porous surface.
Most of your Facebook friends couldn't care less about you
It's the same in real life, says the anthropologist behind "Dunbar's number."