Pasadena residents will once again have the opportunity to explore the cosmos as Caltech’s popular Stargazing Lecture Series ...

A new way to measure the cosmic expansion rate could help resolve a long-standing cosmological crisis. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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When a gravitational lens magnifies a background galaxy, why don't we see the object doing the lensing, as we would if looking through an optical lens? Robert Hertrick Pittsburgh Gravitational lensing ...

The Universe reveals hidden objects when gravity acts like a giant magnifying glass. Observatories at the cutting edge of technology — like the James Webb Space Telescope (JWST) — can harness these ...

NSF–DOE Vera C. Rubin Observatory, funded by the US National Science Foundation and US Department of Energy's Office of Science, will add an unprecedented amount of cosmological data to the study of ...

The key to weird-looking and repeating galaxies is a phenomenon first predicted by Albert Einstein over 100 years ago. When you purchase through links on our site, we may earn an affiliate commission.