David Welna

More than half the American troops diagnosed with concussions were transferred from the Iraqi base that was attacked to Germany or the U.S.

The two-minute warning that had held over the past two years has now shrunk to 100 seconds before midnight on the Doomsday Clock set by the Bulletin of the Atomic Scientists.

The senators deciding President Trump's fate are frequently referred to as "jurors." But at the last impeachment trial, one senator strongly objected to that label. The presiding chief justice agreed.

An objection to being referred to as a juror made by a senator in the Clinton impeachment trial was upheld by the presiding chief justice. That ruling now seems forgotten by many.

Freshman Colorado Democrat Jason Crow did not vote for Nancy Pelosi to be speaker of the House. She chose him anyway for the House impeachment management team.

Promising to try to avert war from outer space through strength, Gen. John "Jay" Raymond was sworn in as the first commander of the newly created United States Space Force.

The dedication at the Washington National Cathedral of an official Bible of the new U.S. Space Force is being criticized as a violation of laws separating church and state.

Administration officials say Iranian Gen. Qassem Soleimani was killed to prevent "imminent attacks." They're being questioned about what "imminent" means.

At least five structures were damaged in the attack on the base in Anbar province, which apparently was precise enough to hit individual buildings. There have been no reports of casualties.

The House is expected to vote on a War Powers Resolution that could force the president to pull back U.S. troops from hostilities with Iran. The catch: it would have to be veto-proof.

The notification is a request to law enforcement to locate and hold the former head of Nissan, who jumped bail in Japan, where he faces financial misconduct charges.

Falling birth rates and rising death rates, combined with a significant drop in immigration, have slowed U.S. population growth to its lowest level since 1918.

The death of an American Green Beret on Monday raised the tally of U.S. forces killed in action in Afghanistan to 20 this year, the highest since combat operations officially ended in 2014.

The Senate's Republican and Democratic leaders disagree about including witnesses in an impeachment trial of President Trump. But each has flipped his stance since Bill Clinton's 1999 acquittal.

Each of the United States' four presidential impeachment proceedings has highlighted increasingly sophisticated technologies, beginning with telegrams in the case against Andrew Johnson.

Despite the president's criticism of the alliance, his administration has spent far more on a European defense program than did the Obama White House. U.S. troop levels in Europe have also risen.

Nearly $400 million in security assistance to Ukraine was put on hold this past summer. Exactly how and when those events unfolded has been unclear. The date may prove the freeze violated a 1974 act.

Gordon Sondland also says Secretary of State Mike Pompeo knew about his efforts to pressure Ukrainians. In his prepared statement, Sondland wrote: "Everyone was in the loop. It was no secret."

Closed-door testimony from the only White House staffer cooperating with the probe could provide first-hand knowledge about details that remain hazy.

President Trump welcomed President Recep Tayyip Erdogan to the Oval Office just weeks after Turkish forces stormed into Syria. But in Congress, there's a bipartisan push to punish Turkey.