Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Interstellar comet 3I/ATLAS is now leaving our solar system—but its rare anti-tail continues to perplex scientists with an ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and roofs of houses. Here we meet the protagonist of this story, farmer and ...

Get the latest update on Comet 3I/ATLAS as it makes a close approach today, including what it means and why skywatchers are ...

Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

A comet that was predicted to become bright enough to see with the naked eye at Halloween seems to be disintegrating right before our eyes. It's called C/2024 S1, discovered on September 27, a rare ...

Astronauts witnessed the brightest comet of 2025 from space as it streaked across the sky above Earth. "It is totally amazing to see a comet from orbit," NASA astronaut Don Pettit, who is currently ...

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...