In individuals receiving an allogeneic haematopoietic cell transplant, stem cells in the bone marrow, which give rise to blood and immune cells, are replaced with those from a donor. Genome ...

NASA has presented rock and dust samples from the asteroid Bennu which exhibit some of the chemical building blocks of life.

Confusion in the U.S. after a Trump spending freeze. By Natasha Frost A federal judge yesterday temporarily blocked an order by President Trump to freeze trillions of dollars in federal grants and ...

Conservative Leader Pierre Poilievre is rejecting the terms of a briefing from Canada's spy agency regarding foreign interference because it won't enable him to act on the information, his office ...

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White House press secretary Karoline Leavitt speaks with reporters in the James Brady Press Briefing Room at the White House, Tuesday, Jan. 28, 2025, in Washington. (AP Photo/Alex Brandon) ...

That came after the first press briefing of the new Administration, which was dominated by questions about the freeze. White House press secretary Karoline Leavitt told reporters, “this is not a ...

WASHINGTON (NEXSTAR) — One week after taking office, the Trump administration held its first official press briefing Tuesday, marking a historic moment with the introduction of White House Press ...

Leavitt quickly made clear that the James S. Brady briefing room will not be a place for contrition, backtracking, or apologies, beginning with an opening statement lauding Trump’s first week as ...

White House Press Secretary Karoline Leavitt warned that foreign nationals attempting to enter the U.S. illegally are not welcome under President Donald Trump’s administration. "So to foreign ...