How big can they get? What's the largest so far detected? Where does an 18 billion solar mass black hole hide? We've never seen them directly, yet we know they are there. Lurking within dense star clusters or wandering the dust lanes of the galaxy. Where they prey on stars. Or swallow planets whole....

Atlantis has blasted off on NASA's last space shuttle launch. The historic liftoff occurred Friday morning,July 8th, 2011, 30 years and three months after the very first shuttle flight. Four astronauts are riding Atlantis to orbit. The shuttle is bound for the International Space Station, making on...

The Crew Dragon capsule successfully docked with the International Space Station 27 hours after launching into orbit from NASA's Kennedy Space Center on Florida's Space Coast. A new generation of space flight starts now with the arrival of @SpaceX’s Crew Dragon to the @Space_Station. Congratulation

Watch live coverage of the SpaceX Crew-1 launch as four astronauts head to the International Space Station. The Crew Dragon will take off from NASA’s Kennedy Space Center in Cape Canaveral, Fla.

A Soyruz rocket launched NASA's Scott Kelly and two Russian cosmonauts into space for what will be a year-long mission aboard the International Space Station. It is NASA's first-of-its-kind study of identical twins to learn more about how long-term spaceflight affects the human body — by sending one

New Horizons is the first mission to the Kuiper Belt, a gigantic zone of icy bodies and mysterious small objects orbiting beyond Neptune. This region also is known as the “third” zone of our solar system, beyond the inner rocky planets and outer gas giants. Johns Hopkins University Applied Physics L

Scott Kelly and his twin brother, Mark Kelly—also an astronaut—were the subjects of the study that sought to find out exactly what happens to the body after a year in space. Scott stayed on the International Space Station from March 2015 to March 2016, while Mark remained on Earth. This was the fina

A revised version of David Bowie's Space Oddity, recorded by Commander Chris Hadfield on board the International Space Station. With thanks to Emm Gryner, Joe Corcoran, Andrew Tidby and Evan Hadfield for all their hard work.

NASA's New Horizons spacecraft has begun beaming back photographs of the surface of Pluto as it approaches the dwarf planet. . Report by Conor Mcnally.

Scientists say there's a place in our solar system outside of Earth that has the chemical make-up to potentially support life. Researchers found that Saturn's sixth largest moon -- Enceladus -- has an ocean that contains phosphorus, which is found in human teeth, bones and DNA. CBS News space consu...