NASA’s Astronomy Picture of the Day

Recent Episodes

2026 January 28 - Reflecting Blue in a Sea of Red

Posted January 28, 2026 • 00:03:43

In today's image, we see a small portion of the Orion star forming region including red emission from hydrogen and blue reflection nebulae.

2026 January 27 - Orion's Treasures over Snowy Mountains

Posted January 27, 2026 • 00:03:56

In today's image, we see the region around the constellation of Orion in a long exposure taken using a camera looking at a large region of the sky....

2026 January 26 - NGC 55: A Galaxy of Nebulas

Posted January 26, 2026 • 00:03:52

In today's image, we see the galaxy known as NGC 55. This image consists of 50 hours of exposure, looking just at the light emitted by hydrogen and...

2026 January 25 - Phobos: Doomed Moon of Mars

Posted January 25, 2026 • 00:04:26

In today's image, we see Phobos, one of the two moons of Mars as imaged by the Mars Reconnaissance Orbiter. It is called the doomed moon because it...

2026 January 24 - Earthset from Orion

Posted January 24, 2026 • 00:03:34

In today's image, we see the Earth about to set behind the limb of the Moon as seen from the Orion spacecraft back in 2022. This was part of the Artemis...