Interstellar comet 3I/ATLAS carries water with a deuterium-to-hydrogen ratio at least 40 times higher than that of Earth’s ...
NASA's Hubble Space Telescope observed comet C/2025 K1 (ATLAS) fragmenting into multiple pieces, offering scientists a rare ...
Here’s how to keep your 3I on it. With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch sight of the interstellar comet. Our ...
Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it was officially ...
Could this Soviet-era spacecraft be pretending to be a "dark comet?" The post Paper Claims the “Asteroid” Japan’s Probe Is ...
The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system — but some astronomers think a part of it might still be ...
Most days, Michael Mattiazzo logs into his computer and looks through public data from a spacecraft orbiting the Sun. He's not an astronomer by trade, and he's not interested in our stellar neighbour.
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Are you struggling to find the comets in the evening sky?