Northern Summer on Titan
Today’s solstice brings summer to planet Earth’s northern hemisphere. But the northern summer solstice arrived for ringed planet […]
Astronomy
The Veins of Heaven
Transfusing sunlight through a darkened sky, this beautiful display of noctilucent clouds was captured earlier this week, reflected […]
The Tadpoles of IC 410
This telescopic close-up shows off the central regions of otherwise faint emission nebula IC 410, captured under backyard […]
Magnetic Streamlines of the Milky Way
What role do magnetic fields play in interstellar physics? Analyses of observations by ESA’s Planck satellite of emission […]
APOD is 25 Years Old Today
Welcome to the quadranscentennial year of the Astronomy Picture of the Day. Perhaps a source of consistency for […]
Orion over Argentine Mountains
Do you recognize the constellation of Orion? It may be harder than usual in today’s featured image because […]
Atmospheric Ring of Venus
Why is Venus surrounded by a bright ring? Sometimes called a ring of fire, this rare ring is […]
Halo of the Cats Eye
The Cat’s Eye Nebula (NGC 6543) is one of the best known planetary nebulae in the sky. Its […]
Comet PanSTARRs and the Galaxies
Comet PanSTARRs, C/2017 T2, shared this stunning telescopic field of view with galaxies M81 and M82 on May […]
Dragon over Central Park
Still bathed in sunlight the International Space Station (ISS) arced through this Manhattan evening sky on May 30. […]