For decades, dark matter has been the universe’s most stubborn mystery, silently shaping galaxies while refusing to show itself to our instruments. Now a bold new claim from a Japanese astronomer ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny creature ...

Add Yahoo as a preferred source to see more of our stories on Google. A tiny creature with frilly gills, a polite smile and glowing green skin just gave scientists a major clue to solve one of biology ...