The incredible shrinking ESR machine

Researchers at the National Institute of Standards and Technology (NIST) have come up with a way to shrink a research instrument generally associated with large machines that make bulk measurements of samples down to a literally ...

How we found the source of the mystery signals at the Dish

Everyone likes solving a mystery, and the hunt for the source of strange signals detected by Australia's Parkes radio telescope is a classic. Although how "aliens" became involved in the story is more of a media mystery.

Water was plentiful in the early universe

Astronomers have long held that water—two hydrogen atoms and an oxygen atom—was a relative latecomer to the universe. They believed that any element heavier than helium had to have been formed in the cores of stars and ...

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