For many Christians worldwide, the weeks leading up to Easter are a time of fasting, solemn contemplation and abstaining from certain luxuries and foods.

Life aboard a nuclear submarine is a strange mix of advanced technology and extreme confinement. Crews can stay submerged for months because they generate their own oxygen through electrolysis and ...

Learn 5 interesting facts about Annie Griffiths. A woman who has travelled the world for her career and has worked with National Geographic, Life, Smithsonian, and more.

NASA, one of the world's most familiar acronyms, is a global powerhouse in space exploration. Over 18,000 people work for the organization to help develop humanity's understanding of the wider ...