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Physics & Astronomy Facts

Using infrared technology, NASA
Nursery of Giants Captured in New Spitzer Image

Typically, the bigger something is the easier it is to find. Elephants, for example, are not hard to spot. But when it comes to the massive stars making up the stellar nursery called DR21, size does n ...
An artist
The Brave and Cold Ulysses

Deep space is cold. Very cold. That's a problem--especially if you're flying in an old spaceship. And your power supplies are waning. And the fuel lines could freeze at any moment. Oh, and by the way, ...
AM Wave Deflection
Coming In Strong On Your AM Dial

The AM radio dial would be nothing but chaos and noise without a very basic rule - turn down the power at night. The Federal Communications Commission (FCC) controls and regulates the airwaves in the ...

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