The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

Some countries are long and thin, others compact and nearly symmetrical. Some follow natural curves, while others have borders drawn with a ruler. But these shapes are not random — they reflect ...

In the weeks since his inauguration, Donald Trump has issued a series of executive orders intended to undermine progressive law and, in some cases, the foundations of constitutional democracy itself.