"The lightsail will travel faster than any previous spacecraft, with potential to eventually open interstellar distances to ...

Firefly Aerospace’s Blue Ghost spacecraft has captured a fabulous image of Earth as it makes its way toward the moon.

Stare into the heart of our galaxy – the Milky Way, filled with billions of stars and mysterious deep-space wonders.

Troy Meink's specialization in space could upend the priorities of a service typically dominated by Air Force interests.

The electron beam collides with the back of the spacecraft, and transfers its momentum to the spacecraft. 100% efficiency. What is wrong with this? I agree that you need a way to slow down.