Why Are These Ancient Black Holes More Massive Than Astronomers Expected?
Harvard astronomer Avi Loeb explores the question of why some early black holes are overly-massive, defying astronomer's expectations.
early universe
James Webb Space Telescope Has Discovered an Enormous Remnant of the Early Universe That Astronomers Say Shouldn’t Exist
The James Webb Space Telescope has made an 11-billion-year-old discovery more massive than the Milky Way, and it shouldn't exist.
James Webb Space Telescope Has Helped Solve a Mystery That Left Astronomers Baffled For Years
One of astronomy’s most perplexing mysteries has been resolved, according to scientists involved with new findings made possible by NASA’s James Webb Space Telescope.
13-Billion-Year-Old Black Hole is the Oldest Ever Observed, and It Has a Monstrous Appetite
Astronomers have detected the oldest black hole ever observed, dating back to just 400 million years after the Big Bang.
James Webb Space Telescope is Peering Back in Time and Upending Our Understanding of the Universe
The James Webb Space Telescope is changing astronomy, capturing stunning images of distant cosmic phenomena.
“Ghosts” of the Early Universe Reveal Clues, and Controversies, About the Formation of Galaxies
Astronomers have learned surprising things from the oldest and most distant galaxies in our universe, a search that has also led to a few controversies.