Controversy abounds over an ancient artifact most researchers agree is astounding. The Nebra Sky Disk is marvelous looking piece of art, no matter what its intention was. The circular copper plate is ...

An accretion disk is a colossal whirlpool of gas and dust that gathers around a black hole or a neutron star like cotton candy as it pulls in material from a nearby star. As the disk spins, it whips ...

Windows only: If you're looking for a fast way to visualize and drill down through what's taking up space on your disk drives, OverDisk generates a radial map of your folder structures for quick ...

Density maps of disk stars illustrating the global morphological transformation of a galactic disk subject to bombardment by dark matter substructures. Brighter colors indicate regions of higher ...

Astronomers have mapped the 'disk winds' associated with the accretion disk around Hercules X-1, a system in which a neutron star is drawing material away from a sun-like star. The findings may offer ...