SWAN is best viewed in the Southern Hemisphere. The comet crossed into the Libra constellation on September 28, and will make ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

If you’ve ever wanted to see a chunk of the early solar system with your own eyes, now’s your chance. The comet C/2025 A6, ...

The Orionid meteor shower 2024 reaches its peak in the pre-dawn hours on Monday, Oct. 21, but this year a bright moon could ...

Can comet Tsuchinshan-ATLAS still be seen? Yes, but it’s now past being a bright, naked-eye object after sunset. To see comet A3 (also called C/2023 A3) you’ll now need a pair of binoculars. Now a 4th ...

A comet that just skirted past our sun should light up the night sky this week. The comet, Comet ATLAS (C/2024 G3), was only discovered in April 2024, and reached its closest point to our sun ...

Comet C/2025 A6 (Lemmon) is just weeks away from a close approach to Earth that could make it visible to the naked eye in the ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...