Researchers have found evidence of a large lake of salty water, buried 1.5 kilometres beneath the southern polar ice cap on Mars. So what does that mean for life on the red planet?

A recent US Supreme Court ruling marks a new milestone in the debate over police power and privacy in the digital age.

After weeks of protest in Haiti, sparked by a sudden rise in fuel prices, at least seven are dead and the prime minister is out. Foreign creditors pushed for the price hike as an austerity measure.

There are no angels in Pakistan's political scene – except the 'angels' of the military.

Are you sleep deprived? Don't worry. That might make the situation worse. Instead, make some simple adjustments, such as staying off digital devices an hour before bedtime.

While the hurricanes last year dealt devastating blows to Puerto Rico, its challenges predate the storms and continue on today. They also offer new opportunities.

A closer look at House Democrats new 'debt-free' college plan reveals that the plan fails to live up to its name, two higher education finance scholars argue.

In Theravada Buddhism, ordaining to be a monk and donating the merit thus gained is one of the greatest honors that a person can give to another – in this case to the late Navy SEAL officer.

A White House Council concluded that the war on poverty is "largely over." But, while poverty among seniors has declined, poverty among adults and children as changed little over the last 40 years.

Is a shot of tequila actually good for you? And what's the deal with the worm? To celebrate National Tequila Day, a food historian explores some little-known aspects of the popular Mexican spirit.

Aristotle coined the term "enthymeme" to refer to arguments, words and ideas that are broadly accepted among the people of a nation. So what happens when enthymemes start to disappear?