Best Shot
The New Horizons spacecraft snapped this view of Pluto (bottom) and its largest moon, Charon (top) from a range of…
The Homunculus
The near-death of a massive star created this vast peanut-shaped cloud of gas and dust, known as the Homunculus Nebula.…
First Eyes on Mars
Mariner 4 became the first spacecraft to visit Mars when it flew within 6,000 miles of the planet’s surface on…
Getting Wet
The Cassini spacecraft will take a quick shower on October 28, when it flies through the plumes of water and…
Dynamic Duo
After recovering from a computer glitch that shut down science operations for three days, New Horizons snapped this image of…
Seven Sisters
The Pleiades star cluster, also known as the Seven Sisters, is one of the most famous objects in the night…
Blowing Bubbles
Giant bubbles of hot gas erupt from the core of the Milky Way galaxy in this artist’s concept. The galaxy’s…
Skyfall
The stars appear to fall from the sky during the Leonid meteor shower of 1833, as depicted in this contemporary…
Bread Crumbs
The star system V664 Cassiopeia is leaving “bread crumbs” as it races through the galaxy: a trail of gas and…
Galactic Hub
Stellar nurseries, massive stars, and rippling clouds of gas highlight this multi-wavelength view of the Milky Way galaxy’s turbulent heart.…