Dark Energy and Matter Stories

Distant and nearby galaxies dot an inky-black background. Bright foreground stars hold four diffraction spikes.

NASA’s Hubble Traces Dark Matter in Dwarf Galaxy Using Stellar Motions

5 min read

The qualities and behavior of dark matter, the invisible “glue” of the universe, continue to be shrouded in mystery. Though galaxies are mostly made of dark matter, understanding how it is distributed within a galaxy offers clues to what this…

Article2 weeks ago

New Images From Euclid Mission Reveal Wide View of the Dark Universe

6 min read

With NASA contributions, the mission will complement dark energy studies to be made by the agency’s upcoming Nancy Grace Roman Space Telescope. The Euclid mission, led by ESA (the European Space Agency) with contributions from NASA, has released five new…

Article2 months ago
Cover image of the Hubble Focus: Dark Universe e-book. Black background with a galaxy cluster that is superimposed with a blue-white haze that indicates the location of dark matter. Top of the image holds the phrase, "Hubble Focus." The "o" in focus is Hubble as we look down the tube of the telescope.

NASA’s New Hubble E-Book Spotlights Universe’s Best-Kept Dark Secrets

5 min read

NASA’s Hubble Space Telescope team has released a new downloadable e-book in the Hubble Focus series, called “Hubble Focus: The Dark Universe.” This e-book highlights the mission’s recent discoveries about two mysterious components of our universe, known as dark energy…

Article4 months ago