On a single day last November, two spacecraft millions of kilometers apart turned their ultraviolet eyes toward the same ...

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope ...

A bold hypothesis is now gripping the astronomy world: Harvard theoretical physicist Avi Loeb claims that the interstellar visitor 3I/ATLAS shows 'no tail'—and suggests it could be 'something else' ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this cosmic visitor hasn’t been visible from Earth since September, our space-based ...

Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...

Physicist Brian Cox clearly stated that Comet 3I/ATLAS—an interstellar traveller older than the Sun—is a natural object containing ice, dust, and carbon dioxide, and has no extraterrestrial origin.

In November 2025, two spacecraft on opposite sides of an interstellar comet did something no observatory on or near Earth ...