The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

3I/ATLAS, an interstellar object identified by NASA as a comet, recently passed its closest point to the sun. Scientists around the world are observing its months-long journey to learn more about the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. C/2023 A3 Tsuchinshan-ATLAS as imaged on June 1, 2024 by ...

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

A cool interstellar comet that for millions of years has drifted in the spaces between our stars is now back in our telescope viewing range and will make its closest approach to Earth this week. We’re ...

Newly discovered comet C/2023 A3 Tsuchinshan-ATLAS is visible in the skies above Oregon, and local photographers have captured the event in dramatic photos. The comet was discovered in 2023 by “by ...

(Gray News) - Those who live in the Northern Hemisphere can look at the night sky for a wonder that might have fascinated the Neanderthals 80,000 years ago. The comet is now making its closest ...

ESA and NASA Track Interstellar Comet 3I/ATLAS During Solar Flyby (Image: International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist) Astronomers say ...

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, it's still unclear whether the icy object is a true "cryovolcano." When you ...

A freshly-discovered comet has lots of skywatchers training their telescopes on the dawn sky, but pretty soon the new Comet SWAN25F will flip to our evening sky, and allow a lot of us to get a good ...