Researchers have identified a distinctive ultraviolet signature of water in the interstellar comet known as 3I/ATLAS.

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

Roughly 900 light years from Earth, astronomers have found a world where the weather reads like a fever dream: winds racing ...

New full-color images of interstellar comet 3I/ATLAS capture a rare visitor in vivid detail just days before it makes its ...

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

With less than a year in orbit, the Southwest Research Institute-led PUNCH mission has made major accomplishments, imaging the Sun in context while tracking comets and enormous space weather events as ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars ...

Seiko introduces two galaxy‑inspired Astron GPS Solar Limited Editions: SSH187J1 and SSJ039J1 Launching in January 2026, the ...

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

The interstellar comet known as 3I/Atlas will pass within 167 million miles of our planet Friday – the closest it gets on its ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...