The famous Sombrero Galaxy now appears as more than a wide-brimmed hat floating in deep outer space. New images from the Cerro Tololo Inter-American Observatory in Chile reveal a gigantic halo ...

It's true, though: outer space does have a smell, or rather, many smells. The cosmos isn't sterile or empty, after all. It's ...

How the smells of outer space could lead us to extraterrestrial life. Plus, an ancient ‘ambidextrous’ protein that can function in both mirror-image forms and the month’s best science images. How the ...