Confronted with new evidence of torture and mass hangings in one of his military prisons, Syrian President Bashar Assad said in an exclusive interview with Yahoo News that the allegations were the product of a "fake news era" and charged that a human rights group, Amnesty International, had fabricated

What is dark energy? More is unknown than is known - we know how much there is, and we know some of its properties; other than that, dark energy is a mystery - but an important one. Roughly 70% of the Universe is made of dark energy. Dark matter makes up about 25%.

SEATTLE (AP) - A federal appeals court has handed a resounding victory to Washington state and Minnesota in their challenge of President Donald Trump's travel ban, finding unanimously that a lower court ruling suspending the ban's enforcement should stay in place while the case continues.