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Science has revealed some of the secrets of the X chromosome, but many remain. In humans, female cells contain two X chromosomes (XX) and male cells contain one (XY). In each female cell, one X chromosome must be inactivated—crumpled up in such a way that the genetic code it contains cannot be read out.

Trump wants to reinterpret the phrasing of the 14th Amendment to mean that the federal government would not recognize automatic birthright citizenship for children born in the U.S. to parents without legal status.

Former Republican presidential candidate Vivek Ramaswamy is done at President Trump’s Department of Government Efficiency (DOGE) initiative, and is expected to launch a campaign for Ohio governor early next week

U.S. President Donald Trump will withdraw from the Paris climate agreement, according to a White House document released on Monday.

President Biden on Monday commuted the life sentence of activist Leonard Peltier, who was controversially convicted of murdering two FBI agents, within the final hour of his presidency. “The …

‘Life-threatening’ temperatures of 55 below zero could hit the Rockies and Upper Midwest.

President Joe Biden pardoned his brother James and other relatives for unspecified crimes, to protect them from Trump administration investigations.

Experts suggest 11 healthy ways to spend Inauguration Day.