Star Noise

Karl Jansky, the Galileo of radio astronomy, was the first to wrench astronomy away from its dependence on the optical spectrum, beyond the narrow band of electromagnetic radiation visible to the human eye.

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?

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

http://www.naturalhistorymag.com/node/add/story

Cosmic Perspective

Neil deGrasse Tyson explains how embracing cosmic realities can enlighten our view of human life.

dark matter

Dark Matter

Most of the matter in the universe is neither bound up in stars or planets nor dispersed in clouds of "ordinary" particles. But what is it made of?

sputnik

Beep Beep

An Internet guide to  Sputnik and other early satellites

view counter
view counter

Recent Stories

After centuries of moving through the Irish countryside, a group known as Travellers has come to rest.

Algae, plants and humans: three groups of organisms that used chemistry to change the planet.

Peaks protected fifty years ago by the Wilderness Act no longer keep mountain goats safe from human impact.

By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.