Leaked images hint at a dusty spacecraft; Avi Loeb fuels speculation, but NASA dismisses alien claims. Comet's brightening, ...

Recent observations of the interstellar object 3I/ATLAS show that it has developed a faint blueish hue, hinting at a ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this ...

3I/ATLAS, the interstellar object currently travelling through our solar system, has set a new precedent, astronomers confirm ...

Amid growing mystery surrounding 3I/ATLAS, Republican congresswoman Anna Paulina Luna is calling on NASA to share unreleased ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

It's emerged from the glare. After a tense game of hide-and-seek with the sun, the interstellar comet 3I/ATLAS has sailed ...

Behind the Sun, the comet appears to show signs of acceleration beyond what is expected by gravity. And for reasons not yet ...

U.S. officials continue monitoring interstellar comet 3I/ATLAS despite the government shutdown, with NASA coordinating updates and congressional discussions on new data and upcoming observations.

An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own small telescope. The new photos are believed to be the first optical ...