Suni Williams and Butch Wilmore went to space expecting to stay for eight days and ended up staying for eight months.

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

Earth’s atmosphere doesn’t suddenly give way to the vacuum of space, but gets dramatically thinner ... where they would ...

The new Russian rocket engine achieves higher acceleration than chemical rockets by using magnetic plasma accelerators, ...

This week's eclipse has been photographed from the moon's point of view. The images were taken by a camera on board the ...

The spacecraft was launched in January and made headlines after achieving a smooth landing. Firefly is the first private firm to complete a successful moon landing and only the second to achieve a ...

When it comes to space travel, Albert Einstein's theory of relativity is a major inconvenience. With the laws of physics ...

Earth’s atmosphere doesn’t suddenly give way to the vacuum of space but gets dramatically ... where they would regularly need to use their thrusters to avoid getting dragged down.

Earth’s atmosphere doesn’t suddenly give way to the vacuum of space ... where they would regularly need to use their thrusters to avoid getting dragged down. Between 400 and 1,000 kilometers ...

A robotic lunar lander built by Texas-based Firefly has successfully landed on the moon, becoming only the second ...