This Hubble infrared image is part of an observing program that imaged 41 massive galaxy clusters…
Author: NASA Image of the Day
Studying the Genetics of Organisms in Space
At NASA's Kennedy Space Center, organisms in a Petri plate are exposed to blue excitation lighting…
NASA Astronauts on Third and Final Spacewalk in October Series
NASA astronauts Joe Acaba (left) and Randy Bresnik (right) at work outside the International Space Station…
Remembering Astronaut Paul Weitz
In this June 1973 photo, astronaut Paul J. Weitz, Skylab 2 pilot, mans the control and…
The Grace of Saturn
Saturn's graceful lanes of orbiting ice -- its iconic rings -- wind their way around the…
Hubble Unravels a Twisted Cosmic Knot
This Hubble image shows what happens when two galaxies become one. The twisted cosmic knot seen…
Jovian Moon Shadow
Jupiter’s moon Amalthea casts a shadow on the gas giant planet in this image captured by…
What Lurks Below NASA’s Chamber A?
Hidden beneath Chamber A at the Johnson Space Center is an area engineers used to test…
Puerto Rico From the Space Station
NASA astronaut Joe Acaba photographed Puerto Rico from the cupola of the International Space Station on…
When (Neutron) Stars Collide
This illustration shows the hot, dense, expanding cloud of debris stripped from neutron stars just before…