Hubble captures a massive galaxy that stopped making new stars just a few billion years after the Big Bang.
Hubble Space Telescope spotted spectacular images of ultrabright galaxies just like glowing jewels.
The Hubble Space Telescope has confirmed the identity of new moon encircling one of the biggest dwarf planets in the solar system.
It is a moon! The third largest dwarf planet in the solar system has a natural satellite.
Hubble Space Telescope captures two individual galaxies speeding past each other at an increasing rate.
Celebrate with Hubble Space Telescope with these two spectacular spiral galaxies.
"Old Faithful" on Europa may be potential area for signs of life.
Giant plumes of water have been spotted for the second time in the same location on Jupiter's moon Europa.
NASA has announced that Enceladus has habitable conditions, making it the first known celestial world in the Solar System that can support life apart from Earth.
Auroras on Uranus work similarly to auroras on Earth.
Hubble Space Telescope captures a new image of Supernova 1987A that is still shining after three decades.