Hunt hazy nebulae across the summer sky.
Jupiter and Mars join forces just before sunrise.
A partial solar eclipse greets Alaska, northern Canada, eastern Asia and far-northern Europe.
Look for the hat-shaped Sombrero Galaxy in the southern sky.
The Lyrid meteor shower pelts the Earth.
The spring constellations, Gemini and Cancer, rise in the night sky.
Betelgeuse, the red supergiant star, glows from Orion's shoulder.
The Quadrantid meteors invade from the East.
A total lunar eclipse turns the Moon a festive red during this year's winter solstice.
The Leonid meteors skip across the November sky.
Jupiter paces a solo path across the sky.
Look for supergiant star Deneb in the Northern Cross.
The Perseid meteor shower pelts the Earth.
Scorpius poises to strike.
The Moon slips into a partial eclipse.
The Eta Aquarid meteor shower streaks the sky.
Leo the Lion ushers in the beginning of spring.
The buzz spread about the beehive cluster.