How do you define progress?

Many galaxies really are ultra-distant, but some are just intrinsically red or dusty. Only with spectroscopy can JWST tell which is which.

The cathedral is being explored as never before.

It’s more than just a cute habit.

“Not my circus, not my monkeys.”

Explanations for the cosmic speed limit often conflate mass with inertia.

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Books that were rarely taught in 1963, when baby boomers were students, became classics when those same boomers were teachers and parents.