Donald Trump followed traditional norms in his 90-minute State of the Union address in a move which belies his persona of willingness to defy political expectations.

President Trump's second State of the Union address takes place in unprecedented times, following the longest federal government shutdown in American history.

Most Americans now believe global warming is real and that human activity is the cause. As the global climate continues to change, we can see how global warming will affect humanity.

People tend to notice the amount they receive as a tax refund more than the amount they pay in taxes. The inertia of withholding contributes to this phenomenon.

Human lives will be affected by climate change in ways that cannot adequately be represented through datasets alone.

Robert Collinson and Peter Ganong show the effects, both intended and unintended, of two policies which control the rent ceiling for housing voucher holders.