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Tech expert ThioJoe breaks down 11 strange image formats you’ve probably never heard of. White House reacts after intel assessment contradicts Trump on Iran strikes US Navy warships are firing ...

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

Scenes of nebulas in the Milky Way, a cluster of galaxies and thousands of new asteroids are a teaser of how the U.S.-funded observatory on a mountain in Chile will transform astronomy.