Stars & Constellations
Explore the patterns in the night sky and discover ancient star formations
Meteor Showers & Comets
Witness cosmic travelers and shooting star spectacles across space
Cosmos Guide
Your handbook to the night sky: meteor showers, comets, and constellations.
Constellation Hunter
Explore major constellations. Hover over stars to identify them and switch between constellations to learn their patterns.
🔭 Stargazing Forecast
Use AI to check if tonight is good for observing!
Major Meteor Showers
The best times to look up. Click on a meteor shower card below to visualize it in the 3D simulation. Each card shows fun facts about that shower!
Notable Comets
12P/Pons-Brooks
Halley-type
A "cryovolcanic" comet that often flares up, sometimes resembling distinct horns.

C/2023 A3
Oort Cloud
Tsuchinshan-ATLAS. Predicted to become bright enough to be visible to the naked eye in late 2024.
1P/Halley
Halley-type
The most famous short-period comet. Currently beyond the orbit of Neptune, slowly turning back.
C/2020 F3 (NEOWISE)
Long-period
A spectacular comet visible in 2020. Won't return for another 6,800 years.