Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

On October 29, Comet 3I/ATLAS reached its closest point to the Sun. This point, known as perihelion, was around 210 million ...

Here's what you need to know about the comet labeled "3I/ATLAS" and how close to Earth scientists believe it will actually ...

Harvard astrophysicist Avi Loeb suggests the interstellar comet 3I/ATLAS may not be natural—hinting at possible alien ...

In a startling revelation that has ignited global intrigue around comet anomalies and interstellar visitors, Harvard ...

Daniel Whiteson and Andy Warner’s upcoming book is a philosophical exploration of the humanity behind our desire to find aliens.