The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

Astronomers found 'heavy water' in interstellar comet 3I/ATLAS, suggesting it formed in a cold, unusual environment beyond ...

3I/ATLAS is now exiting our solar system at more than 137,000 miles per hour.

The second wave of observations, conducted since December 2025, have allowed scientists to better characterize the chemical ...

A rare comet from another star system is revealing just how different alien solar systems may be from our own.

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

On a winter night in Chile in July 2025, astronomer Larry Denneau’s automated pipeline at the ATLAS (Asteroid ...

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...

Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That hints it grew up in a frigid planetary system, possibly before its home star f ...

Infrastructure (LON:3IN) said it delivered an 8.5% total return for the year, within its medium-term target range of 8% to 10%, after what executives described as an unusually active period for ...