3I/ATLAS showed a complex tail structure early this morning of November 8, 2925. It was observed at 29 degrees elongation from the Sun. In July and August , other researchers calculated that 3I Atlas ...

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

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my windowsill. You can catch it too, if you act quickly. Since 2004, I have worked ...

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 ...