As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

As the interstellar enigma 3I/ATLAS retreats into the darker reaches of the cosmos, it leaves behind a trail of unanswered ...

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

The original design choice behind Star Trek's most famous half-Vulcan would have made for a very different vibe.

Russia Quietly Changed Its Space Station Plans. Here's What That Means The proposed Russian Orbital Station will stick to a ...

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3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called 3I/ATLAS which ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

Physicists discovered that the famous 'Star Trek' spaceship got a lot right about designing a ship to jump from galaxy to galaxy.

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...