Gravitational Lensing
Hubble Spots Farthest Lensing Galaxy Yet
Sometimes there’s a chance alignment — faraway in the universe, where objects are separated by unimaginable distances measured in billions of…
Mapping Dark Matter 4.5 Billion Light-years Away
The Milky Way measures 100 to 120 thousand light-years across, a distance that defies imagination. But clusters of galaxies, which…
Gallery: Incredible Mirages In Space Show Dark Matter, Supernovas And Galaxies
How can an exploding star appear far brighter than expected? This question vexed astronomers since the discovery of PS1-10afx, supernova that was…
New Hubble View Shows Objects a Billion Times Fainter Than Your Eyes Can See
While this image isn’t as deep as the Hubble Deep Field, this 14-hour exposure by the Hubble Space Telescope shows…
Here’s A Nine-Billion-Year Old Gravitational Lens In Space
Here's a picture of what deflected light looks like from 9.4 billion years away. This is the most faraway "gravitational…
Novel Strategy May Help Target Extraterrestrial Intelligent Life
Discovering life beyond Earth might just be the holy grail of science. And even though we have yet to find…
Astronomers Spy Early Galaxies Caught In A Cosmic Spiderweb
Once upon a time, when the Universe was just about three billion years old, galaxies started to form. Now astronomers…
Where Is Dark Matter Most Dense? Subaru Telescope Gets Some Hints
Put another checkmark beside the "cold dark matter" theory. New observations by Japan's Subaru Telescope are helping astronomers get a…
Watch Live Webcast: Space Warps
Want to join the hunt for new galaxies? During a special G+ Hangout today, June 5, a team of astronomers…
Early Galaxies Churned Out Stars Like Crazy
Talk about an assembly line! Some early-stage galaxies created stars thousands of times faster than our Milky Way does today, according…