Space.com on MSN

How did this 20-light-year-wide 'Diamond Ring' form in space? Maybe a cosmic bubble burst

In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, ...
Stars Insider on MSN

The physics behind Einstein’s most famous equation

In the paper, he also included an equation that would come to be one of the most iconic in history: E=mc². The equation not ...