It is an exotic-looking pet bird that can also learn tricks and how to talk. Birds that chirp are divided into two categories: Morning birds (diurnal) and evening birds (nocturnal). Hence ...

They originate from high above Earth's surface and, as a sound wave, are comparable to birds chirping ... Earth's magnetic field acts like a magnet with two well-defined opposites.

(NASA via AP) (Uncredited) NEW YORK – Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same ...