The entire progression will be observed by the ESA’s orbiters the Mars Express and ExoMars Trace Gas Orbiter as well as ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

Since 2000, China has accumulated more dead rocket mass in long-lived orbits than the rest of the world combined, according ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

Beyond the race for scientific, commercial and military purposes, there is another space race of a more curious sort. A race ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

A mysterious object hurtling through space has been identified as a rare “interstellar object,” only the third of its kind ever seen. In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

Sterling-based Optimum Technologies and Ten One Aerospace have formed a strategic collaboration to deliver a suite of electro ...

A mysterious object spotted floating through our solar system last year might be an alien spacecraft that was investigating Earth, according to Harvard astronomers. The astronomers suggested the ...

A high schooler, Matteo Paz, won $250,000 for discovering 1.5 million new space objects with AI. Paz built an AI algorithm to search data from a NASA space telescope for objects such as black holes.

The subject line of the email to KTLA 5 News was like many others purporting to have footage of UFOs: “Caught on video: ...