December 24, 2016
"More than 26,000 light years away, deep within the heart of our galaxy, lies Sagittarius A* - four millions Suns' worth of unseen mass concentrated into an area just nine times the size.
Sheperd Doeleman, assistant director of the MIT Haystack Observatory, believes this mysterious entity is a supermassive black hole - and he's building a telescope the size of the Earth to prove it."
"Distant black hole may disprove Einstein's theory of relativity" by Kathryn Nave for Wired
See also: 2016