From interstellar lightsails to laboratory-based lightsail platforms. Credit: Nature Photonics (2025). DOI: 10.1038/s41566-024-01605-w The idea of traveling through interstellar space using spacecraft ...
Interstellar objects move too fast and arrive too rarely for astronomy to rely on a single instrument or a single kind of light. When comet 3I/ATLAS was first reported on July 1, 2025, observatories ...