Beautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines ...

Dark comets are not a form of dark matter, but objects with no visible tail or outgassing, but whose orbits reveal comet-style acceleration. It’s a category that includes ‘Oumuamua ...

The team studied a rubber duck-shaped comet known as 67P that has two cracks, each longer than a football field, on a neck that connects its two large lobes. The team used numerical models to show ...