Joining the Club
India's Chandrayaan-3 spacecraft snapped this image of the farside of the Moon on August 19. The craft dropped a lander…
Sampling a Martian Moon
A Japanese mission, MMX, shown in this artist's concept, is scheduled for launch in about a year. It will land…
Golden Monument
This monument, dedicated 50 years ago, in Philadelphia, honors Nicolaus Copernicus, an astronomer who placed the Sun at the center…
The Gang’s All Here
Our home galaxy, the Milky Way, is one of the leading members of the Local Group, a collection of at…
Double Beauties
M31, the Andromeda Galaxy, is the nearest giant galaxy to the Milky Way, just 2.5 million light-years away. Its size…
Loud Black Hole
X-rays from a disk of hot gas around a supermassive black hole in NGC 1275 push back at gas that's…
Thin Rings
Viewed edge-on, Saturn's beautiful rings form a thin horizontal line in this image from the Cassini spacecraft. The rings span…
Galactic Merger
The beautiful spiral galaxy NGC 1532 is wrapped up in a "tug of war" with a smaller galaxy (bright blob…
‘Sharing’ Planets
Two possible planets in the PDS 70 star system may share a common orbit, which would make them the first…
Filling a Jug
A dying star has created its own death shroud–streamers of gas and dust that form the shape of an old…