Is sending humans to Mars actually feasible?

"The challenge ahead is epic, but historic," says Buzz Aldrin. "We are on a pathway to homestead the Red Planet."

Why go to Mars?

The idea of a manned journey to Mars has animated science fiction for more than a century, and since the dawn of the space age, 

Rocket Engine Part Recovered by Amazon CEO Has Apollo 11 History

Forty-four years (and three days) after it helped launch the first men to walk on the moon, a huge rocket engine part salvaged from the ocean floor has been positively identified as a historic component of the Apollo 11 lunar landing mission.

"I'm thrilled to share some exciting news," Amazon.com founder and CEO Jeff Bezos wrote Friday (July 19) on his Bezos Expeditions website.

Snow on a very early our solar system

For the first time obtained an image of a line in a remote snow extremely young planetary system. The snow line, located in the disk surrounding the solar-type star TW Hydrae, promises to reveal more about the formation of planets and comets, the factors that influence their composition and history of our Solar System. The results are published today in the journal Science Express.