Bob Giddings Green Bay, Wisconsin Calculating the total mass of the universe is not simple, because most of the mass is invisible. In a pie chart of the contents of the universe, only 5 percent is ...
For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the ...
Astronomers have uncovered what may be the most massive black hole ever found, 36 billion times the mass of our Sun, hidden at the heart of the Cosmic Horseshoe galaxy. Located 5 billion light-years ...
The team behind Europe's Euclid space telescope just published the world's most extensive simulation of the universe, which ...
One of the most powerful black holes in the universe is belching out gas at speeds of up to 10,000 kilometres per second, making its estimated mass ...
Mon., June 23, 2025 A composite image of the supernova 1E0102.2-7219 contains X-rays from Chandra (blue and purple), visible light data from VLT’s MUSE instrument (bright red), and additional data ...