The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

There is an estimated 2.3% chance that the 2024 YR4 asteroid is heading our way. Here's everything you need to know about the ...