Elon Musk's brain-computer interface company successfully demonstrates a paralyzed patient playing chess and browsing the internet using only their thoughts, opening new possibilities for assistive technology.

The long-awaited Ethereum upgrade delivers on its promise of scalability, processing 100,000 transactions per second while maintaining decentralization and reducing gas fees to pennies.

SpaceX's Starship completes its first crewed lunar landing, delivering NASA astronauts to the Moon's south pole as part of the Artemis III mission, marking humanity's return after 50 years.