From eclipses on demand to a rare interstellar visitor to the chances of Earth being flung out of orbit, some news in 2025 made us ponder our place in the universe. Here’s a look at some of our favorite space stories.
A rare interstellar visitor The Hubble Space Telescope captured this image of interstellar comet 3I/ATLAS on November 30.NASA, ESA, STScI, D. Jewitt/UCLA, M.-T. Hui/Shanghai Astronomical Observatory. Image Processing: J. DePasquale/STScI
Our solar system got a new out-of-town guest in 2025, for only the third time that we know of. Comet 3I/ATLAS was spotted on July 1 by the ATLAS survey telescope in Chile. Astronomers quickly determined that its