NASA’s Astronomy Picture of the Day

In today's image, we see the planetary nebula known as the Helix Nebula in a deep, 12 hour exposure through a 14 inch telescope. A planetary nebula is the end state for a star, much like our own Sun.…

In today's image, we see a short clip showing the collision on the asteroid moon Dimorphos. This was part of the DART mission to see if we would be able to change the orbit of the moon by a specified…

In today's image, we see lightning in the sky over the Volcano of Water. Lightning forms when electrical charges are separated within clouds and then discharge violently, with columns of air being he…

In today's image, we see the globular cluster known as Omega Centauri. Globular clusters are among the oldest parts of a galaxy. However, this cluster may actually be the core of a small galaxy whose…

In today's image, we see an image showing 12 years of the Kappa Cygnid meteor shower. This is images from 2012 - 2024 hat have been combined together in a single image.

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In today's image, we see the shadow of Saturn's large moon, Titan as it appears on the clouds of the ringed planet.

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In today's image, we see a fireball which is a very bright meteor - brighter than the planet Venus. These occur when small rocks enter Earth's atmosphere and are vaporized.

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In today's image, we see a remnant left behind by a supernova that exploded about 400 years ago. It is considered a double detonation because an initial explosion on the surface of the white dwarf st…

In today's image, we see the emission nebula known as the Cat's Paw or Bear Claw nebula. This is a part of a star forming region within our Milky Way galaxy.

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In today's image, we see the near side of our Moon. Because our moon rotates at the same rate that it revolves around Earth, one side is always facing Earth and the other side always facing away.

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In today's image, we see Messier 6, which is an open star cluster located in the constellation of Scorpius. The brightest star is the orange colored star near the top, known as BM Scorpii which is a …

In today's image, we see an image capturing a conjunction of the International Space Station and the planet Saturn. Such an image takes careful planning and timing to capture the two objects at the i…

In today's image, we see the comet known as 3I/ATLAS. This is the third object discovered to have been determined to be visiting the solar system from another star system and the first detected since…

In today's image, we see the Rosette Nebula which includes a young cluster of stars as well as the emission nebula itself.

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In today's image, we see Hebes Chamsa on Mars. Inside the Chasma is Hebes Mensa, a mesa which has experienced a collapse on the left side as seen in the image.

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In today's image, we see what is known as the Helix Galaxy which is an example of a rare type of galaxy known as a polar ring galaxy. It is expected that this is formed in an unusual type of collisio…

In today's image, we see an example of a planetary nebula. This is known as the Any Nebula for its distinctive shape. The reason that it formed this specific shape is unknown and a topic of research.

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In today's image, we see an image showing the full moon of July 10 analog with some clouds in Earth's atmosphere.

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In today's image, we see noctilucent clouds up high in the sky as seen in Sweden recently. These clouds are high in the sky so that the Sun is still above the horizon from their perspective even thou…

In today's image, we see LDN 1251, an example of a dark nebula in which stars are currently forming. in addition, several Herbig-Haro objects are one as well as a distant spiral galaxy.

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