The Asteroid That May Be Three Worlds
We have been watching asteroid (44) Nysa for well over a century without ever really knowing what it looks like. Now the sharpest images ever taken of it, from two…
Smashed Ice Worlds Formed Neptune’s Inner Moons and Rings
The planet Neptune has 16 known moons, with its largest Moon, Triton, comprising more than 99.5 percent of the mass of all of them. Triton’s incredible size has led scientists…
APOD: 2026 August 1 – Buck Moon and Belt of Venus
APOD Science APOD APOD: 2026 August 1 – Buck… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each…
Charon’s Mountains Reveal Moon Once Spun 10x Faster
Pluto’s moon, Charon, is one of the most unexplored (and arguably underappreciated) planetary objects in the entire solar system. This is primarily because it’s only been visited once by NASA’s…
Interstellar Travel: The Space Age and Nuclear Rockets
Given the state of our technology, it would take a spacecraft a ridiculously long time to reach even the nearest star in our galaxy. However, scientists continue to ponder ways…
SpaceX’s Starship seen in space by next-gen Starlink satellite (video)
We just got an amazing new view of SpaceX’s Starship vehicle, thanks to one of the company’s next-gen Starlink satellites. Starship, the biggest and most powerful rocket ever built, launched…