Chasing Galaxies

The legacy of "Brian Tinsley's clever wife"

Curiouser and Curiouser

Happy anniversary, white dwarf star!

stargazine

Virtual Universe

Centuries of astronomy, plus video-game technology, offer a stunning new perspective on our place in space.

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Our Quiet Star

An Internet guide to exploring the mysteries of sunspots

pioneer space

Spacecraft Behaving Badly

Could strange new physics be affecting a pair of distant space probes?

pioneer space

Spacecraft Behaving Badly

Could strange new physics be affecting a pair of distant space probes?

Sudbury Neutrino Collector

Little Neutral Ones

In John Updike's memorable description, "The earth is just a silly ball/To them, through which they simply pass."

Sudbury Neutrino Collector

Little Neutral Ones

In John Updike's memorable description, "The earth is just a silly ball/To them, through which they simply pass."

Sir Isaac Newton

The Perimeter of Ignorance

Scientists face a choice: invoke a deity or continue the quest for knowledge

Sir Isaac Newton

The Perimeter of Ignorance

Scientists face a choice: invoke a deity or continue the quest for knowledge

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