Private US company SpaceX hopes to put an astronaut on Mars within 10 to 20 years, the head of the firm said.
Neil Armstrong, the first man to walk on the moon, told lawmakers Thursday that the end of the space shuttle era has left the American human spaceflight program in an "embarrassing" state.
Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments ...
Russia on Sunday marked the 50th anniversary of the world's most horrific but long-classified space catastrophe when 126 people were burned alive during a launch pad accident.
(AP) -- A sun-powered robotic explorer named Juno rocketed away Friday on a five-year journey to Jupiter, the solar system's most massive and ancient planet.
A number of mice and eight gerbils sent into space in a Russian capsule destined to find out how well organisms can withstand extended flights perished during their journey, scientists said Sunday as the month-long mission ...
President Barack Obama set a bold new course for the future of US space travel when he announced plans to send US astronauts into the orbit of Mars within the next three decades.
New video recorded during the return of NASA's Orion through Earth's atmosphere this month provides a taste of the intense conditions the spacecraft and the astronauts it carries will endure when they return from deep space ...
Austrian daredevil Felix Baumgartner made a record-breaking leap from the edge of space Sunday, landing safely in the New Mexico desert after freefalling from more than 24 miles above the Earth.
The three crew of the International Space Station (ISS) who returned to Earth this week endured a hair-raising descent after their height sensors failed, a Russian cosmonaut revealed on Friday.