Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

A mysterious object has been rocketing through space towards Earth, and according to some experts, it could arrive as soon as today. The object, known as 3I/ATLAS, has been the subject of speculation ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system.

NASA has confirmed that 31/ATLAS is a comet and not an alien spacecraft, as some had believed. But it did lead one scientist ...

Physicist Brian Cox says he’s disappointed to see people focus on alien theories when discussing 3I/ATLAS, which he notes is older than Earth ...

On November 1 st, the New York Post wrote “The Manhattan-sized interstellar object 3I/ATLAS exhibited signs of non-gravitational acceleration and appeared bluer than the Sun as it passed our local ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

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 ...