At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

After passing Mars, slipping behind the Sun and approaching it closely, and gliding past Earth without saying hello, the object is now on its way toward Jupiter. There, on March 16, a small farewell ...

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...