How do you control a nuclear space propulsion system? Very carefully. To help with this, the Oak Ridge National Laboratory ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.

The discovery is among the strongest evidence yet that the red planet may have once harbored life. . However, scientists say ...

North Korea fires solid rocket motor. North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket ...

A SpaceX launch on the Space Coast was rained out Monday, Tuesday and Wednesday, but the company will try again Thursday.

A SpaceX launch on the Space Coast just after sunset Monday could mean the return of the unique jellyfish effect over Florida ...

SpaceX's Starlink is the dominant player in the internet satellite sphere, but Amazon's nascent Project Kuiper constellation ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, astronomers detected a strange, fast-moving object racing toward the Sun. Named ...

Nasa scientists dismiss claims about Comet 3I/Atlas. A Harvard astronomer had suggested it might be alien tech. The comet was ...

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds ...

Scientists reported a dramatic rise in Cyanide and Nickel outgassing, which has changed the mysterious object’s color from red to green over the last two weeks ...