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For the second time in recent months, scientists say they have picked up distortions in space and time. The find suggests smaller-sized black holes may be more numerous than many scientists thought.

On Sunday, South Sudan marks six years as independent country. Between its civil war and humanitarian crisis, things are so bad that anniversary celebrations were canceled.

The Flame Refluxer is essentially a big copper blanket: think Brillo pad of wool sandwiched between mesh. Using it while burning off oil yields less air pollution and residue that harms marine life.

Hundreds of years after George Washington first began draining the now-112,000-acre Great Dismal Swamp in southeastern Virginia, biologists are working to restore it to a more natural environment.

Federal housing officials are closing two large public housing projects in Cairo, Ill., renewing concerns that the predominantly African-American town will be wiped off the map altogether.

The partisan split in America is the highest it has been in two decades, with Republicans and Democrats holding disparate views on race, immigration and more, according to a new Pew study.

See how a tick sinks its hooks into a human for a long meal. And find out the best way to remove it.

The warming climate means more intense rain and dangerous flash floods. In Austin, Texas, officials hope that letting people see the rising waters on their smartphones will help keep them safe.

Every year, the Consumer Product Safety Commission urges Americans to use fireworks responsibly. It does this by blowing up a bunch of mannequins on the National Mall in Washington, D.C.

The uptick in support, especially among U.S. Democrats, comes after the turbulent U.S. presidential race where Donald Trump called NATO "obsolete." He now says it's "no longer obsolete."