An asteroid near Earth could become a temporary moon, then a crash risk

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...
cerebral-overload

What’s Up: November 2025 Skywatching Tips from NASA

Mars and Mercury cozy up, the Leonids sparkle, and Saturn’s rings are…disappearing? Mars and Mercury get close for a ...