There are a lot of new things to see and do in Costa Rica, including a country-wide hiking trail, food and music workshops, and more.

They found that airport radar systems, which sweep the skies for airplanes to inform air traffic control, send out a combined radio signal strong enough for aliens to detect it from up to 200 ...

Unique Contra Costa County radio station to return to the air after $1 deal Founded in the 1960s, KVHS will soon resume broadcasting from the county Office of Education’s rooftop in Pleasant Hill ...

The KVHS radio logo. The noncommercial educational FM station has been broadcasting since its founding at Clayton Valley High School in Concord in 1966. The station's license is being acquired by the ...

Costa Rica wasn't done, however, as Alonso Martínez scored a 71st minute equalizer and then nearly won the match when he hit the post in the game's dying minutes. Need a break? Play the USA TODAY ...

Scientists say that the construction of a vast new radio telescope array in the Utah desert — known as the Deep Synoptic Array 2000 — could uncover some of the biggest outstanding mysteries in ...

The characteristics of the spheric-reflector aerial and phased array feed system are exploring here to make a radio telescope with a large scanning angles and optimal constructive parameters of the ...

Radio telescopes rely on calibration to provide high-quality images. Here, we present a polarizing metasurface that can be used to aid the calibration of all-sky radio telescopes. The metasurface is ...