Astronomers aimed the Very Large Telescope in Chile at a nearby exoplanet and discovered jet stream winds blowing nearly 80 ...

Set to launch within a few months, NISAR will use a technique called synthetic aperture radar to produce incredibly detailed ...

The star Vega has been known to us for years, but that doesn't mean it's short on surprises. Here's what astronomers found ...

Redshift is also the name of the factor z indicating the relative change in wavelength due to the Doppler shift for a receding galaxy. The Doppler equation used for sound calculations cannot be ...

By taking note of something called the Doppler effect and making close observations of the light from stars, we're able to tell not only if those stars are moving to or away from us but how fast ...