A strange triangle of light will glow in the sky during late twilight in the southwest this month —, but it will only be visible in inky black, moonless skies, and only during the second half of ...

These signs correspond to the tropical zodiac, which segments the ecliptic—the apparent path ... It is a large constellation that straddles the celestial equator. Its name comes from the Ancient ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...