The Brighterside of News on MSN

Balloon telescope sheds new light on pulsars and black holes

Long before rockets and satellites reached space, the Crab Nebula stood out as a steady beacon of high-energy light. At its ...
Science Daily

A high-altitude telescope just changed what we know about black holes

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...