As Comet Leonard nears the sun towards January, it might reach 4th magnitude; but since comets are diffuse bodies, it won't appear as bright compared to a 4th-magnitude star. The good news is ...

A new comet has been discovered. Now getting closer to the sun and expected to brighten over the next few weeks, comet C/2025 ...

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

Comet SWAN25F is currently best seen low in the morning sky and views are expected to improve over the coming weeks. If you ...

Newly-discovered comet SWAN25F is expected to reach peak brightness on May 1 and is predicted to be visible from Earth with ...

Comet SWAN25F was discovered using photos from the European Space Agency's SOHO spacecraft and can currently be spied using ...

READ MORE: {{title}} Astronomers were surprised to discover that the comet was already quite bright, shining at a magnitude of 10. This is unusual for a newly spotted comet, causing experts to ...

In astronomy, magnitude is a measure of the brightness of an object, such as a star, planet, or comet. It is a logarithmic scale where a lower or more negative magnitude corresponds to a brighter ...