When the interstellar object known as 3I/ATLAS passed Earth on Dec. 19, 2025, astronomers around the world trained their ...

What can a faint smudge in the pre-dawn sky tell humanity about worlds beyond the Sun? For astronomers in Hawai‘i this week, ...

The interstellar comet 3I/ATLAS will pass Earth safely on 19 December, giving astronomers a rare chance to study a visitor ...

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average ...

Scientists tracked interstellar comet 3I/ATLAS and found rotating jets in a rare sun-facing tail during its 2025 pass through ...

Light from the object takes 15 minutes to reach us, so its images are slightly delayed, News.Az reports, citing foreign media ...

The interstellar visitor 3I/ATLAS is coming near Earth this week and stargazers can see it before it vanishes into deep space ...

The closest point is expected at 1 a.m. EST (0600 GMT) on Dec. 19, News.Az reports, citing Live Science. While the comet is ...

The interstellar comet 3I/Atlas will make a rare close approach to Earth on 19 December, giving astronomers and stargazers a ...

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles away, revealing a teardrop-shaped cloud of dust wrapped around its icy core.

The visitor, known as 3I/ATLAS, made its closest approach to Earth on Friday (December 19), zooming by at 130,000mph at a ...

A rare image reveals a giant planet clinging to two stars, helping scientists understand how planets survive in chaotic star ...