A Facebook billionaire makes a major investment in immunotherapy.
A remarkable machine-learning trick that cleans up pixelated videos and photographs can automatically generate high-quality computer-game graphics.
Forget calling customer service. Your next interaction with a business might be inside Facebook’s messaging service.
A quarter-century ago, a “protracted battle” over encryption began between law enforcement and civil-rights activists.
Why Apple needs to make some concessions to rights and interests beyond privacy.
A new way of making these tough materials could be a key step in producing better airplane engines and long-lasting machine parts.
As corals die off worldwide, scientists are devising technologies to save—or regrow—them.
SpaceX may need to refurbish rockets to a high standard after each launch, and it’s unclear how expensive that will be.
Microsoft’s cofounder vows to change the “supply side” for breakthrough energy technologies by investing billions of his and his friends’ dollars.
A hero of the Egyptian revolution laments the limits of social media and hopes to improve online dialogue.