Stargazers are being encouraged to look to the western sky after sunset throughout the coming month, as two of the brightest ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...

The red glow: During a total lunar eclipse, Earth's atmosphere scatters shorter blue wavelengths and refracts longer red wavelengths onto the moon, making it appear red. Not so rare: Blood moons occur ...