Combining images from Hubble and JWST provides an incredible view of a gorgeous galaxy cluster
Newsletter news, and more evidence that we’re starting to understand globular clusters
Happy holidays to y’all: Here’s a few fun stories for you to read over peppermint-flavored hot chocolate
Some exoplanets may be too hot for their own good, losing their atmospheres due to evaporation
Until we send a probe there, big ‘scopes are still useful at checking up on the distant giant world
My book in Italian, and an incredible photo of a comet and — can you guess? — three galaxies
A collective letter to Substack leadership
I do so love the cataclysmic detonation of an entire star wreaking havoc across dozens of light-years
An asteroid passes directly in front of everyone’s favorite supernova progenitor tonight
Colliding galaxies mark the position of a pair of giant black holes destined to merge
Some very cool images from an old orbiter give us a new view of the Red Planet
The most distant actively feeding black hole emitting X-rays has been found at the edge of the observable Universe
