NASA's Deep Space comet hunter mission comes to a close

After almost 9 years in space that included an unprecedented July 4th impact and subsequent flyby of a comet, an additional comet flyby, and the return of approximately 500,000 images of celestial objects, NASA's Deep Impact mission has ended.

Ion thruster improvements show promise for deep space missions

A big problem with the use of electric rocket engines known as Hall thrusters has been erosion of their discharge channel walls, limiting their use to the inner solar system.

Juno spacecraft executes deep space maneuver

NASA's Juno spacecraft executed a deep space maneuver earlier today, with the burn occurring more than 298 million miles (480 million kilometers) away from Earth. 



First private deep space mission will hunt killer asteroids

A group of ex-NASA astronauts and scientists is aiming to keep the world safe by launching the first privately-funded deep space mission and scanning the solar system for dangerous asteroids.

Astronomer expects alien encounters “within twenty years”

Are we alone in the universe? Russian scientists don’t think so.

NASA reveals design for deep space vehicle

NASA's announced its plans for the US spacecraft it hopes will take human beings into deep space.