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.
The legacy of "Brian Tinsley's clever wife"
Happy anniversary, white dwarf star!
Centuries of astronomy, plus video-game technology, offer a stunning new perspective on our place in space.
An Internet guide to exploring the mysteries of sunspots
Could strange new physics be affecting a pair of distant space probes?
In John Updike's memorable description, "The earth is just a silly ball/To them, through which they simply pass."
Scientists face a choice: invoke a deity or continue the quest for knowledge
Pigs possess complex ethological traits similar to dogs and chimpanzees.
Validation, At Last
A Matter of Degrees
Striations in teeth reveal the pace of life.