NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

Asteroids are no longer just celestial curiosities on a telescope chart; they are emerging as test beds for a new resource ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

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

The asteroid with international designation 336877, discovered by the Nanjing-based Purple Mountain Observatory of the ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

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

A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...

Dr. Larry Denneau, a software engineer and astronomer at the University of Hawaii, discovered the third-known interstellar object, 3I/ATLAS, using his own designed software.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Scientists finally explain Europa’s spider-like ice patterns, revealing violent subsurface water flows, eerie “spider demons, ...

Interstellar comet 3I/ATLAS makes its final pass by Earth this week. Its speed of 137,000 mph and unique chemical makeup have put planetary experts on high alert.