As a free Sputnik detector, Dr. Kraus, 47, uses the 20-megacycle radio time signal sent out 24 hours a day by the National Bureau of Standards’ station WWV near Washington, D.C. In daytime the ...

Astronomers have detected a 'coherent' radio signal from a distant planet ... planet's atmospheric erosion caused by stellar emissions over time. Drs. Sebastian Pineda and Jackie Villadsen ...