NicerAPOD
Archive Explorer

Browse NASA Astronomy Picture of the Day archive by date and media: Archive Discoveries

Browse the NASA APOD archive without needing the exact date first. Filter by media type and keep moving deeper into older images and videos.

26 April 2025Still
Barred Spiral Galaxy NGC 5335

Barred Spiral Galaxy NGC 5335

This stunning portrait of NGC 5335 was captured by the Hubble Space Telescope. Some 170,000 light-years across and over 200 million light-years away toward the constellation…

25 April 2025Still
Asteroid Donaldjohanson

Asteroid Donaldjohanson

Main belt asteroid 52246 Donaldjohanson is about 8 kilometers long and 3.5 kilometers across. On April 20, this sharp close-up of the asteroid was captured at a distance of about…

24 April 2025Still
NGC 6164: A Dragon's Egg

NGC 6164: A Dragon's Egg

Beautiful emission nebula NGC 6164 was created by a rare, hot, luminous O-type star, some 40 times as massive as the Sun. Seen at the center of the cosmic cloud, the star is a…

23 April 2025Still
An Almost Everything Sky

An Almost Everything Sky

This surprising sky has almost everything. First, slanting down from the upper left and far in the distance is the central band of our Milky Way Galaxy . More modestly, slanting…

22 April 2025Still
Terminator Moon: A Moonscape of Shadows

Terminator Moon: A Moonscape of Shadows

What's different about this Moon? It's the terminator s. In the featured image, you can't directly see any terminator -- the line that divides the light of day from the dark of…

21 April 2025Still
Galaxy Lenses Galaxy from Webb

Galaxy Lenses Galaxy from Webb

Is this one galaxy or two? Although it looks like one, the answer is two. One path to this happening is when a small galaxy collides with a larger galaxy and ends up in the center…

20 April 2025Still
The Orion Nebula in Visible and Infrared

The Orion Nebula in Visible and Infrared

The Great Nebula in Orion is a colorful place. Visible to the unaided eye, it appears as a small fuzzy patch in the constellation of Orion . Long exposure, multi-wavelength images…

19 April 2025Still
Painting with Jupiter

Painting with Jupiter

In digital brush strokes, Jupiter's signature atmospheric bands and vortices were used to form this interplanetary post-impressionist work of art. The creative image from citizen…

18 April 2025Still
Comet C/2025 F2 SWAN

Comet C/2025 F2 SWAN

In late March, the comet now designated C/2025 F2 SWAN was found independently by citizen scientists Vladimir Bezugly, Michael Mattiazzo, and Rob Matson while examining publicly…

17 April 2025Still
Virgo Cluster Galaxies

Virgo Cluster Galaxies

Galaxies of the Virgo Cluster are scattered across this nearly 4 degree wide telescopic field of view. About 50 million light-years distant, the Virgo Cluster is the closest large…

16 April 2025Still
Halo of the Cat's Eye

Halo of the Cat's Eye

What created the unusual halo around the Cat's Eye Nebula? No one is sure. What is sure is that the Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae on the…

15 April 2025Still
Planetary Nebula NGC 1514 from Webb

Planetary Nebula NGC 1514 from Webb

What happens when a star runs out of nuclear fuel ? For stars like our Sun , the center condenses into a white dwarf while the outer atmosphere is expelled into space to appear as…

14 April 2025Still
The Galactic Center in Radio from MeerKAT

The Galactic Center in Radio from MeerKAT

What's happening at the center of our galaxy? It's hard to tell with optical telescopes since visible light is blocked by intervening interstellar dust. In other bands of light,…

13 April 2025Still
An Unusual Hole in Mars

An Unusual Hole in Mars

What created this unusual hole in Mars? Actually, there are numerous holes pictured in this Swiss cheese-like landscape , with all-but-one of them showing a dusty, dark, Martian…

12 April 2025Still
Moon Near the Edge

Moon Near the Edge

Most of us watch the Moon at night. But the Moon spends nearly as many daylight hours above our horizon, though in bright daytime skies the lunar disk looks pale and can be a…

11 April 2025Still
The ISS Meets Venus

The ISS Meets Venus

Made with a telescope shaded from bright sunlight by an umbrella, on April 5 a well-planned video captured a crescent Venus shining in clear daytime skies from Shoreline,…

10 April 2025Still
38 Hours with the M81 Group

38 Hours with the M81 Group

From a garden on planet Earth, 38 hours of exposure with a camera and small telescope produced this cosmic photo of the M81 galaxy group. In fact, the group's dominant galaxy M81…

9 April 2025Still
HH 49: Interstellar Jet from Webb

HH 49: Interstellar Jet from Webb

What's at the tip of this interstellar jet? First let's consider the jet: it is being expelled by a star system just forming and is cataloged as Herbig-Haro 49 (HH 49). The star…

8 April 2025Still
Moon Visits Sister Stars

Moon Visits Sister Stars

Sometimes, the Moon visits the Pleiades. Technically, this means that the orbit of our Moon takes it directly in front of the famous Pleiades star cluster , which is far in the…

7 April 2025Still
NGC 4414: A Flocculent Spiral Galaxy

NGC 4414: A Flocculent Spiral Galaxy

How much mass do flocculent spirals hide? The featured image of flocculent spiral galaxy NGC 4414 was taken with the Hubble Space Telescope to help answer this question.…

6 April 2025Still
Moonquakes Surprisingly Common

Moonquakes Surprisingly Common

Why are there so many moonquakes? Analyses of seismometers left on the moon during the Apollo moon landings reveal a surprising number of moonquake s occurring within 100…

5 April 2025Still
The Gargoyles' Eclipse

The Gargoyles' Eclipse

In dramatic silhouette against a cloudy daytime sky over Paris, France, gargoyles cast their monstrous gaze outward from the west facade of Notre Dame Cathedral. Taken on March 29…

4 April 2025Still
Hickson 44 in Leo

Hickson 44 in Leo

Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies , now appropriately called Hickson Compact Groups .…

3 April 2025Still
The Da Vinci Glow

The Da Vinci Glow

A 26 hour old Moon poses behind the craggy outline of the Italian Dolomites in this twilight mountain and skyscape. The one second long exposure was captured near moonset on March…

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Viewing discoveries from 26 April 2025 through 3 April 2025.