Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...

Dark dwarfs, stars composed of dark matter, may be the optimal objects in which to finally discover physical dark matter in the real world.

The VRO is a project jointly funded by the U.S. National Science Foundation and the U.S. Department of Energy, Office of ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

A new study uncovers how PM2.5 air pollution cripples respiratory defences, while astronomers prepare to map the cosmos with ...

Despite decades of research, scientists have yet to detect dark matter — the invisible substance that holds galaxies together and makes up 27% of the universe.

Vera Rubin fundamentally advanced our knowledge of galactic dynamics, laid the groundwork for dark matter research, and worked throughout her life to ensure women had a place in science ...

How the pioneering scientist, and namesake of an enormous new telescope, forced astronomers to rethink the universe.

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful evidence of dark matter. Her groundbreaking work revealed that most of the ...

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Interestingly, the rotation curves in the distant universe from past studies reveal a decrease in the galaxy outskirts, meaning a low fraction of dark matter. But the data taken by Fei and Silverman’s ...