The most consequential detail about interstellar comet 3I/ATLAS is not that it is rare, but it is doing things that make long ...

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space ...

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.