Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

It’s not specific to those dates, but six planets are now in the night sky, four of them visible to the naked eye. Sky chart showing the planetary lineup visible after dark in January 2025.