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 have been a little captivated by the topic of gravitational lensing. Think about it: how cool is it that the very universe ...

Astronomers now know how far the Earth is from 200 galaxies

On July 11, 2022, the very first image taken by the James Webb Space Telescope (JWST) was released to the general public. It's called Webb's First Deep Field, centered on a cluster of galaxies named SMACS 0723 and containing ...

Hubble captures galaxy pair Arp-Madore 2339-661

This striking image from the NASA/ESA Hubble Space Telescope captures the interacting galaxy pair known as Arp-Madore 2339-661. The Arp-Madore catalog is a collection of peculiar galaxies, and this group's particular peculiarity ...

Deep learning speeds up galactic calculations

Supernovae, or exploding stars, play a critical role in the formation and evolution of galaxies. However, key aspects of these phenomena are notoriously difficult to simulate accurately in reasonably short amounts of time.

Astronomers discover new almost dark galaxy

By analyzing deep optical imagery from the IAC Stripe 82 Legacy Project, an international team of astronomers has serendipitously discovered a new almost dark galaxy. The newfound galaxy, dubbed "Nube," has a very low surface ...

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