The large complex would pose a space debris risk if left in orbit after its life cycle.
Astronaut Mark Kelly voices his concerns for the end of the shuttle program and the loss of NASA talent.
Although this is its last mission to the space station, shuttle Endeavour has just made a first in space history: it is the first shuttle ever to be photographed while docked with the space station.
Although excitement is growing for the possibility of U.S. commercially-launched astronauts to the International Space Station (ISS), some international partners may need convincing.
Are we at a cross-roads in human spaceflight? Or are we in a steady decline? On the 50th anniversary of Yuri Gagarin's first flight, Discovery News space producer Ian O'Neill shares his opinion.
In a new book about Yuri Gagarin's historic flight, the tragic tale of fellow cosmonaut Vladimir Komarov is chronicled.
NASA astronaut Scott Kelly, brother-in-law of Arizona Congresswoman Gabrielle Giffords, shows off his "Gabby" wristband after returning this morning from a six-month stint aboard the space station.
NASA's oldest space shuttle closes a long career with today's landing, having spent a total of 365 days in space.
For astronauts with deteriorating eyesight, glasses that adjust with the flick of a finger may offer a solution.
Engineers lost all contact with the rocket less than three minutes after blast-off.