The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia invaded almost three years ago.

Agencies across the intelligence community and the Defense Department can now use OpenAI’s GPT-4o for the government’s most ...

When it comes to widely followed Wall Street money managers, Berkshire Hathaway's (BRK.A 0.64%) (BRK.B 0.94%) CEO Warren ...