Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Science Space Deep Space Space Telescope ‘Funny dark matter:’ Something is wrong about our theory of the expanding universe Our model says one thing; our observations say another. By Tom Hawking ...

No matter the mathematical probabilities or the number of times we say, ‘We are not alone in the universe,’ our first visit from the stars is always the province of children’s stories and ...