UPI

Billionaire Elon Musk unveiled an "entirely new system of transport" with a demonstration of a 1.14-mile test tunnel in Southern California on Tuesday night.

Carnival Cruise Line for the first time in its 46-year history will offer cruises from San Francisco, starting in 2020.

When Nevada's lawmakers convene in February, it will become the first state with a majority of women in the Legislature.

The U.S. Senate approved federal criminal justice reform Tuesday with bipartiisan support and the backing of President Donald Trump.

Immigration and healthcare have declined as problems facing the United States since the mid-term elections, according to a Gallup survey.

A rare December tornado touched down in western Washington on Tuesday, heavily damaging several homes and toppling trees.

A federal appeals court ordered an unnamed company owned by a foreign country to comply with a grand jury subpoena possibly linked to Robert Mueller's probe.

A Chicago cocaine trafficker detailed the U.S. operations of accused Mexican drug kingpin Joaquin "El Chapo" Guzman's cartel.

President Donald Trump on Tuesday ordered the Department of Defense to establish a Space Command as a possible precursor to a military Space Force.

The Justice Department announced it is banning bump stocks, devices that allow the kind of rapid-fire shooting used to kill dozens in Las Vegas a year ago.

A federal judge delayed the sentencing of former national security adviser Michael Flynn on Tuesday after chastising him for betraying his country.

Health and safety violations at shelters for unaccompanied migrant children run by Baptist Child and Family Services of San Antonio have been identified.

White House press secretary Sarah Sanders was scheduled to speak to reporters Tuesday afternoon in her first on-camera press briefing in more than three weeks.

Arizona Gov. Doug Ducey said Tuesday he's appointing Republican Rep. Martha McSally to fill the long-held seat of late Sen. John McCain for the next two years.

Building permits, housing starts and housing completions were all up in November from the previous month, according to data from the U.S. government.

The Trump Foundation, weathering a lawsuit over its finances, agreed to dissolve under court supervision, New York state authorities said Tuesday.

The White House signaled Tuesday there's a possibility it will not force the government to shut down over President Donald Trump's proposed border wall.

The California farm at the center of romaine lettuce E. coli contamination last month has expanded a recall to include more types of lettuce and cauliflower.

Johnson & Johnson has announced it will buy back $5 billion worth of stock from investors to recover from market losses ten times that amount in recent days.

California is expected to face a powerful storm Tuesday that's led to alerts for flooding, high winds and winter storm warnings in that state and eight others.