For centuries, the true nature of the Moon’s core remained an open question. Was it entirely molten, like the early Earth, or ...

Over a century ago, a German physicist named Karl Schwarzschild mathematically described what we now recognize as a black hole using equations. He laid the foundation for black hole cosmology, which ...

Judge Orders Halt on Deportations of Venezuelans Under Wartime Law A federal judge blocked the Trump administration from invoking an obscure wartime law, called the Alien Enemies Act of 1798, to ...