Observers love looking at distant objects — and the farther, the better. Well, how about an object that’s more than 2 billion light-years away and visible through an 8-inch telescope? 3C 273 is that ...

Optical imaging devices have become ubiquitous in our society, and a trend toward their miniaturization has been inexorable. In addition to facilitating portability, miniaturization can enable imaging ...

Philip Wiseman works at the University of Southampton and is funded by the Science and Technology Facilities Council. A new study published in Nature Astronomy describes the most luminous object ever ...