Hubble Space Telescope image of 3I/ATLAS. (NASA, ESA, David Jewitt/UCLA; Image Processing: Joseph DePasquale/STScI) All signs ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...

Interstellar comet 3I/ATLAS, the third object ever confirmed to have originated beyond our solar system, is heading back into ...

Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet's predicted ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

A newly discovered comet will soon be gracing our evening sky. On Sept. 10, Vladimir Bezugly of Dnipro, Ukraine was examining online images of a low-resolution public website showing images obtained ...

No two comets are exactly alike. Of course, they can appear similar. Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) and ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Comet C/2023 A3 (Tsuchinshan-ATLAS) streaks across the sky ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A newly brightening comet is now visible in the predawn sky ...

Florissant resident and astronomy lead for International Dark Sky, Mark Harter captures Comet Lemmon at Florissant Fossil Beds. (Courtesy Mark Harter) One of the greatest things about living in Teller ...