Veterans Affairs Secretary Denis McDonough approved an experiment last year to implant sensors for a prosthetic hand into cats -- a move that members of Congress say is "at odds" with new federal laws meant to limit the government's use of dogs, cats and primates in experiments.

Federal officials on Tuesday called for more testing and research on xylazine, the powerful animal sedative that's spreading through the nation's illicit drug supply, but they stopped short of recommending new restrictions on the veterinary medication.

In a monthslong inquiry, which included reviewing tens of thousands of pages of documents from more than 100 public records requests, The Associated Press has examined what happens behind the scenes when Supreme Court justices travel to colleges and universities for lectures and other events.

For colleges and libraries seeking a boldfaced name for a guest lecturer, few come bigger than Sonia Sotomayor, the Supreme Court justice who rose from poverty in the Bronx to the nation's highest court.

The pervasive and growing substance abuse within the Russian army adds to its generally poor condition and lack of spirit de corps.

Jordan is the next obvious victim in Iran’s regional subversion spree.

A book should be written about how Rep. Tom Davis (R-Va.), almost single-handedly, was able to get conservative Republicans in the House and liberal Democrats in the White House to come together to save the nation’s capital from bankruptcy. In the meantime, policymakers in Washington should learn from this historic example and pass a...