Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...

Henrietta Swan Leavitt was not famous in her lifetime. She did not win the Nobel Prize, although her name was being considered before her untimely death in 1921. Neither is it vital to this story that ...

Karoline Leavitt’s first White House press briefing reaffirmed a truism about the Trump White House: His aides perform for an “audience of one.” That pithy phrase, portraying President ...

As a college student, Karoline Leavitt was laser-focused on getting where she wanted to be today: serving in the Trump administration as the youngest-ever White House press secretary. While many ...

Karoline Leavitt, the youngest individual to take on the role of White House press secretary, made her first appearance in the briefing room on Tuesday. She announced that podcasters and social ...

Karoline Leavitt, the White House press secretary, gave her first media briefing on Tuesday, Jan. 28 and was boastful, combative, defensive, made-for-TV and not above taking a cheap shot. On-brand, in ...

As a college student, Karoline Leavitt was laser-focused on getting where she wanted to be today: serving in the Trump administration as the youngest-ever White House press secretary. While many of ...

WASHINGTON (AP) — White House press secretary Karoline Leavitt made her debut in the briefing room on Tuesday and promised to speak frequently with the news media and open up the briefing room ...

Copyright 2025 The Associated Press. All Rights Reserved. White House press secretary Karoline Leavitt, the youngest person to ever hold that office, made her debut ...