If you were hoping to see the “mini moon,” you’ve probably been disappointed. But experts say the asteroid was an important milestone in planetary defense research.

A small asteroid called 2024 PT5 will temporarily orbit Earth this fall. Here's what it looks like and whether it will be visible to the naked eye.

Soon, there will be two moons above the Earth at once. The second Moon will appear in late September thanks to a new asteroid discovered by scientists in August 2024. RBC-Ukraine dwells on the second moon,