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NASA's next great space observatory has finished assembly and is heading toward a late 2026 launch. The Nancy Grace Roman Space Telescope will scan the universe at an unprecedented scale, hunting for thousands of new planets and unlocking mysteries about dark energy.
NASA's Nancy Grace Roman Space Telescope will launch this fall to photograph hundreds of millions of galaxies and unlock the mysteries of dark matter and dark energy. The mission will create the most detailed map of the cosmos ever made, covering 12% of the sky in just 18 months.
The largest cosmic map ever created shows the universe isn't forming galaxy clusters as densely as scientists predicted, revealing an exciting puzzle in our understanding of how everything came to be.
Scientists just finished mapping 669 million galaxies over six years, and the good news is our understanding of how the universe works passed the test. The Dark Energy Survey reveals our cosmic models are on track, even as they point toward exciting new mysteries to solve.
After analyzing six years of data from 669 million galaxies, scientists have created the clearest picture yet of dark energy, the mysterious force making our universe expand faster every year. Four different cosmic observation methods came together for the first time to reveal how this invisible force has shaped 6 billion years of cosmic history.
Astronomers just completed the most detailed picture yet of how the mysterious force expanding our universe has evolved over 6 billion years. The breakthrough combines four different observation methods for the first time, bringing us closer to understanding what makes up 68% of our cosmos.