It's tax time in America, and as taxpayers total up how much they owe, or how much they'll get back from the IRS this year, ...

Let's start with water, that precious liquid that makes life on Earth possible ... could get worse still as the gap between the rich and the poor widens in many parts of the world," Professor ...

When did Earth become oxygen rich? O2 accumulation in Earth's atmosphere appears to have started approximately 2,400 years ago, according to a variety of evidence. There was a global warming event 5 ...

Rich or poor, every human being only has a certain amount of bandwidth to tackle life's daily challenges, Shafir says. Take away part of that bandwidth, and that's where we begin to unravel.