This week on our national parks journey, we travel to the southwestern state of Arizona.
Donald Trump’s election as president of the United States came as a shock to many Democratic Party activists.
Hatchimals are popular gifts for children this holiday season.
The United States is expected to execute fewer people in 2016 than any year in the past 25 years.
Researchers have developed a long-lasting capsule that, when swallowed, slowly releases medicine into the body.
When astronauts go to the planet Mars years from now, they will need the right food to stay strong and healthy.
The United States’ top health official says electronic cigarettes can cause health problems for young people.
Astronaut John Glenn, the first American to orbit the earth, has died.
A new United Nations report says a lack of education for girls in developing countries may be partly to blame for a rise in poverty worldwide.
Time magazine named Donald Trump its “Person of the Year” on Wednesday.