Swiss billionaire Hansjörg Wyss, who some conservatives are seeking to brand as the “new George Soros” of the Left, cut a ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they ...

To Media Matters for America and the American Independent Foundation, two progressive groups formed by the conservative ...

More than 99% of Americans live under skies polluted by light. But dark skies at the Grand Canyon and more than 145 other ...