The Very Energetic Radiation Imaging Telescope Array System (VERITAS) is an array of four imaging atmospheric Cherenkov telescopes (IACTs). VERITAS is sensitive

"Primordial black holes are black holes that may have formed from density fluctuations in the early universe. It has been theorized that black holes slowly evap

Quasars, and the menagerie of other galaxies with "unusual nuclei", now collectively known as Active Galactic Nuclei or AGN, have, in one form or another, spark

Richly illustrated with the images from observatories on the ground and in space, and computer simulations, this book shows how black holes were discovered, and

Bright gamma-ray flares observed from sources far beyond our Milky Way Galaxy are best explained if enormous amounts of energy are liberated by black holes. The