The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space.

When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...

Astronauts Suni Williams, Butch Wilmore, Nick Hague, and Don Pettit joined The Excerpt to share the perspective gained from ...

Your physical environment, social life and lifestyle have as much an influence on your biology − and hence, how you process ...

Chinese astronauts aboard the Tiangong space station have successfully produced oxygen and rocket fuel through artificial photosynthesis. This development could play a crucial role in China's future ...

Our 11- year-old son is fascinated with those astronauts who are stuck on the space station. Dear Reader: You are referring to two American astronauts who arrived at the International Space Station ...

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

Astronauts on board China's "heavenly palace" space station have demonstrated a new way of making rocket fuel products and ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

NASA has achieved a critical milestone in space exploration with the successful testing of advanced nuclear thermal ...

President Trump vowed Monday to be the first commander-in-chief to put US astronauts on Mars ... s satellite and eventually to Mars. Bush’s Space Exploration Initiative kicked off in July ...