The James Webb Space Telescope has been in the works for decades, and its gold-plated, 21-foot mirror will see much farther out into space than the venerable Hubble Space Telescope.
"Carnegie Institution for Science"
A string of volcanoes in the Aleutian Islands might actually be one mega volcano, scientists say
Multiple pieces of evidence led scientists to the conclusion that there might be a 12-mile-wide caldera — a large volcanic crater — or a number of calderas, hidden underwater beneath the group of islands.