Season 5 of "True Blood" premieres Sunday, June 10th, 2012 on HBO.

Learn about the differences between cancerous cells and healthy blood cells.

NASA&s Twin GRAIL spacecraft lift off at 9:08 a.m. EDT on Saturday, September 10, 2011,from Cape Canaveral Florida, on a mission to explore the moon in unprecedented detail.

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 Launch Commentator George Diller opens coverage of the Grail mission right before launch on September 10, 2011.

The first set of images from the GOES-16 satellite have been released by National Oceanic and Atmospheric Administration (N0AA). The geostationary satellite will be used for weather forecasting, severe storm tracking and more.

SpaceX and NASA on Wednesday, OCTOBER 5, 2022 launched the next crewed mission to the International Space Station. They will remain in teh space station for 5 months. It includes a native american a Russian comonouts among the crew.

An idea born in unsettled times becomes a feat of engineering excellence. The most complex machine ever built to bring humans to and from space and eventuall...

How will the Universe die? Everybody dies. The universe too? Well, probably. What are the current theories about the end of everything? And how creepy exactly? Very creepy but there is still hope and billions of years in between.

The city of Dubai is no stranger to ambitious construction and architectural projects. Dubai recently announced plans to construct a $5 billion resort that resembles the moon. The structure will be 735 feet tall, and will emulate the conditions of the actual moon. In today's video, we discuss everyt...