Located in the stratosphere, where it shields the Earth from harmful ultraviolet ... Pluto-Charon Formation Scenario Mimics Earth-Moon System Jan. 7, 2025 — A researcher has used advanced models ...
The enormous near-Earth asteroid (887) Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare once-in-a-decade event. Here's how to watch it ...