Space Blob at the Edge of the Universe Mystifies Researchers

A superultramassive blob of gas, half the size of our Milky Way galaxy, has been discovered lurking at the edge of the universe. This means that the gas is both far away and very old, since the light from it has been traveling since early in the universe's history. Over at the Knight Science Journalism blog, there's a… » 4/23/09 4:30pm 4/23/09 4:30pm