By merging with the U.S. arm of TikTok, Perplexity could emerge as a stronger search rival to Alphabet, a potential blow to ...

SpaceX and Blue Origin are years away from putting astronauts on the moon. Four other companies may get there first.

The clock has run out on TikTok — at least for now. Late Saturday night, TikTok became unusable for Americans, who were met with a message saying the app was offline and asking users to “stay tuned.” ...

Nike ( NKE -0.38%) is a ubiquitous sportswear brand with a trailing 12-month revenue of $49 billion. But after a decade of ...