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.

sun

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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