Biggest Discoveries in Space Exploration: <a href=" ►25 Unanswered Questions About The Universe: Every now and then, you hear ...

Why they're black: Their gravitational pull is so extreme that even light can't escape Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being ...

For decades, the cosmological field was working under the assumption that, after the universe began in a hot dense soup of energy that expanded in the Big Bang, it continued to expand, forming the ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. This difference — about 9% — isn’t small, and measurement ...