Australian officials said a father and son killed at least 15 people at a Jewish holiday celebration. More than three dozen people were hospitalized, including a surviving gunman. Ukraine’s president ...

A sale of insider shares at $421 a share would make Mr. Musk’s rocket company the most valuable private company in the world, as it readies for a possible initial public offering next year. By Ryan ...

Roughly one-in-five U.S. teens say they are on TikTok and YouTube almost constantly. At the same time, 64% of teens say they use chatbots, including about three-in-ten who do so daily. Fresh data ...

Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and ...