The founder of Space X says his company has launched a full investigation of a rocket that exploded on Sunday.
One of the two men who escaped from a high-security prison in New York State is now in a hospital.
Air pollution is the biggest environmental health risk in the world, says the World Health Organization.
For many years, machines have been doing work that people once did, including some difficult jobs.
The United States and Iranian officials meet in Vienna for a final round of talk on Iran’s nuclear program.
The United States Supreme Court decided Thursday to uphold President Obama’s healthcare law, the Affordable Care Act.
President Barack Obama on Wednesday announced a reform of U.S. policies for dealing with kidnappers.
U.S. President Barack Obama said Wednesday that the United States remains firm about ending spying tactics considered “unacceptable” by its allies.
Overnight talks about the Ukraine conflict ended late in Paris with little sign of progress.
Bomber Dzhokhar Tsarnaev apologized in court Wednesday for his deadly attack on the 2013 Boston Marathon.