NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

After a scientist claimed a 'hostile alien threat' could attack Earth within months NASA has weighed in on the situation.

Harvard astronomer Avi Loeb suggests we could use NASA's existing Juno spacecraft to intercept the path of interstellar object 3I/ATLAS.

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it appears to be a comet and is thought to have flown in from the direction of ...

NASA is plotting a new mission that could be the one to finally uncover alien life in the universe. Or, it may uncover a darker fact: that we humans are completely alone, on the unique oasis we ...

NASA scientists have confirmed that a mysterious object shooting toward us through the solar system is an "interstellar object" — only the third of its kind ever seen. Experts have also given the ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

For Harold Kozak, one of life’s greatest pleasures is the opportunity to educate the public about the stars and the vast ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid Terrestrial-impact Last Alert System, or ATLAS, team. At this point, it remains ...