Both Type I and Type II active galaxies have central, supermassive black holes, which consume the galaxies from within. But new work suggests the black holes in Type I's eat faster.
A study suggests the asteroid that wiped out the dinosaurs 66 million years ago also increased the pace of evolution in birds, their only remaining descendants.
If you're in North America, or at a similar latitude, look southward for Fomalhaut. Southern Hemisphere? Look overhead. In its large patch of sky, it'll be the only brightly shining star.
