Jeff Bezos congratulates Elon Musk on SpaceX's private Inspiration4 launch

Scientists have reported new clues to solving a cosmic conundrum: How the quark-gluon plasma – nature’s perfect fluid – evolved into matter

What’s Going On With Earth’s Ozone Hole?

Japan Aerospace Exploration Agency (JAXA) has successfully tested a more efficient type of rocket engine that is propelled by shock waves. It’s a type of rotating detonation engine, and in the test, it lifted a 30-foot (8-m) single stage rocket