Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
The shuttle Atlantis returned to Earth for the final time, but the orbiter has one more mission left on its docket - teaching and inspiring the public as a museum showpiece.
Poll: While supportive of a U.S. space program, those polled said that the private sector should do more to keep the country in space.
NASA uses a modified private jet for astronauts to practice landing the space shuttle.
NASA has used music to awaken astronauts on space missions for at least four decades.
3,200 of the shuttle program's 5,500 contract workers will lose their jobs on Friday with the end of the program.
NASA hopes that other technological advancements come about as result of the shuttle program's dedication to the International Space Station.
Hubble Space Telescope photos reveal a tiny new moon around the dwarf planet.
Some astronauts are leaving NASA for the private sector while others stay and help NASA begin the transition to deep-space exploration.
The spacecraft weighs a ton and is about the size of a Mini Cooper car. It is designed to study Mars in more detail than ever before using 10 different science instruments.
The final U.S. space shuttle departed the International Space Station on Tuesday, ending a 12-year program to build and service the orbital outpost.
Businessman, politician and oldest man to ever go into space, Glenn has been the 'right stuff' time and time again.
The probe slipped into orbit around the asteroid Vesta on Saturday to begin a yearlong study of the second largest object in the asteroid belt.
Obama stressed that the retirement of the space shuttle program 'ushers in an exciting new era' for space exploration.
Sandy Magnus was following the soccer tournament before she launched into space, and now receives updates from NASA.
NASA's Dawn probe arrives at Vesta on July 16 and may provide answers.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.