Allies of President Donald Trump have been quick to threaten primary challengers for Republican senators who don’t back Trump ...

In the early days of President Donald Trump's second term, Alaska Sen. Lisa Murkowski has openly challenged or rebuked him at ...

Efforts to impeach Donald Trump for a third time are ramping up as he begins his second term as president. Newsweek has ...

Murkowski is a moderate with a history of bucking her party and Trump when she has felt it was the right thing to do.

The Senate on Saturday voted to advance Scott Bessent’s nomination to become the next secretary of the Treasury, putting him ...

The South Dakota governor will oversee a sprawling agency that is essential to national security and a clampdown on illegal ...

To tackle a backlog in toxicity testing, US federal scientists are modernizing programs with high-throughput assays and AI.