The cloud, called a dark nebula, is so dense that the hot, bright, baby stars within are hidden from view – but hints of ...

Captured by the NASA/ESA Hubble Space Telescope, this image centers on the spiral galaxy IC 4633. Situated about 8,000 light-years from Earth, the star cluster Pismis 24 is embedded within the ...

Known as SDSS J115331 and LEDA 2073461, these two overlapping spiral galaxies lie over a billion light-years from Earth and were captured in a photograph by the NASA/ESA Hubble Space Telescope.