Gravitational Lensing
Astronomers Discover First Mulitiple-image Gravitationally-lensed Supernova
How about four supernovae for the price of one? Using the Hubble Space Telescope, Dr. Patrick Kelly of the University of…
Searching for Alien Worlds and Gravitational Lenses from the Arctic
The quest for optimal sites to carry out astronomical observations has taken scientists to the frigid Arctic. Eric Steinbring, who led a team…
New Simulation Offers Stunning Images of Black Hole Merger
A black hole is an extraordinarily massive, improbably dense knot of spacetime that makes a living swallowing or slinging away any morsel of energy…
A Cosmic Collision: Our Best View Yet of Two Distant Galaxies Merging
An international team of astronomers has obtained the best view yet of two galaxies colliding when the universe was only…
Merging Giant Galaxies Sport ‘Blue Bling’ in New Hubble Pic
On a summer night, high above our heads, where the Northern Crown and Herdsman meet, a titanic new galaxy is…
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…
How Massive Is A Neutrino? Cosmology Experiment Gives A Clue
There have been a lot of attempts over the years to figure out the mass of a neutrino (a type…
How We Know Gravity is Not (Just) a Force
When we think of gravity, we typically think of it as a force between masses. When you step on a…
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…
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…