One company is ready to launch rescue business — it just needs a customer first

'Scarecrow' doesn't have Curiosity's brain, but outing helps scientists learn how to run it

Scientists study predator, a 150 million-year-old pliosaur, that was some 26 feet long

Specimens discovered preserved in amber, from era of the dinosaurs

Infrared footage from air force shown on TV

Portrait called a powerful reminder of how humanity is connected to the cosmos

Russians let astronaut choose the toy mascot for mission aboard Soyuz spacecraft

As we enter active solar period, scientists are on watch 7 days a week, 24 hours a day