Astrophotographers combat satellite streaks by capturing a multitude of short exposures over the course of a single session.

Comet Lemmon, or C/2025 A6, was discovered by the Arizona-based Mount Lemmon Survey, which observed it as an almost ...

A mysterious visitor from beyond the Solar System has emerged from its solar flyby without the cometary tail astronomers ...

Well, Comet Lemmon finally passed its closest approach to the Sun and is now heading back into the outskirts of the solar ...

Nasa explains that the Leonids are meteors that are bright and (often) colourful. They race at speeds of 71km/h and are ...

Another comet, Swan, also came to within 24 million miles (39 million km) of Earth in October, but it was easier to view from the southern hemisphere. After this passage of Comet Lemmon, the comet’s ...

The mysterious interstellar object 3I/ATLAS appears to have challenged conventional notions about comets. Recent images taken ...

Interstellar object 3I/ATLAS no longer has a tail, defying behavior for a “typical comet,” and adding to mystery surrounding ...

On November 5, 2025, astronomers captured intriguing images of the interstellar object 3I/ATLAS, revealing a compact source of light but no discernible cometary tail. This surprising finding raises ...