Trump appoints Transportation Secretary Sean Duffy as interim NASA administrator, amid concerns over political influence and workforce challenges.
Biden's doctor refuses to testify on president's cognitive health amid autopen probe, citing ethical and legal concerns.
Amid turmoil, X CEO Linda Yaccarino resigns after two turbulent years marked by declining ad revenue, user losses, and controversy over content moderation.
Trump appoints Transportation Secretary Sean Duffy as interim NASA administrator, amid concerns over political influence and workforce challenges.
Biden's doctor refuses to testify on president's cognitive health amid autopen probe, citing ethical and legal concerns.
Amid turmoil, X CEO Linda Yaccarino resigns after two turbulent years marked by declining ad revenue, user losses, and controversy over content moderation.