Gravitational Lensing
This Might Be the Best Gravitational Lens Ever Found
A gravitational lens is the ultimate funhouse mirror of the Universe. It distorts the view of objects behind them but…
Another Strike Against Primordial Black Holes as an Explanation for Dark Matter
The quest to understand dark matter has taken many twists and turns. It's a scientific tale but also a human…
Gravitational Lenses Could Pin Down Black Hole Mergers with Unprecedented Accuracy
Gravitational wave astronomy has been one of the hottest new types of astronomy ever since the LIGO consortium officially detected…
Formation-Flying Spacecraft Could Probe the Solar System for New Physics
It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques,…
Gravitationally Lensed Supernovae are Another Way to Measure the Expansion of the Universe
Supernova are a fascinating phenomenon and have taught us much about the evolution of stars. The upcoming Nancy Grace Roman…
Another Example of a Fantastic Einstein Ring
The most evocative astronomy images take us across space and time to stars and galaxies billions of light-years away. Nestled…
An Epic Collaboration Between Hubble and JWST
Hubble and Webb have come together to create one of the most detailed and revealing images of an iconic galaxy…
Civilizations Could Use Gravitational Lenses to Transmit Power From Star to Star
A new paper shows how gravitational lenses could be used to beam power from one star system to another.
Can There Be Double Gravitational Lenses?
If you, like me, have used telescopes to gaze out at the wonders of the Universe, then you too may…
This Photonic Crystal Bends Light Like a Black Hole
One of the first observational tests of general relativity was that the path of light bends in the presence of…