Dark Energy

Overlay of the infrared emission (black and white) with the radio emission (colored). The dark, low-mass object is…

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The catalogue describes each galaxy using more than 400 properties, including brightness, shape, velocity, and star formation rate.…

Ordinary matter, also called baryonic matter, consists of protons, neutrons, and electrons. This is the material that emits…

The Dark Energy Spectroscopic Instrument is mounted on the U.S. National Science Foundation’s Nicholas U. Mayall 4-meter Telescope…

One of the most important pieces of evidence for this limit is the cosmic microwave background radiation, faint…

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Dark energy—the hypothetical force accelerating our universe’s expansion—sometimes raises more questions than it answers. A new study, however,…

NASA’s Nancy Grace Roman Space Telescope will be a discovery machine, thanks to its wide field of view…

Technicians have successfully installed two sunshields onto NASA’s Nancy Grace Roman Space Telescope’s inner segment. Along with the…

Scientists May Have Found the Smallest Clump of Dark Matter Ever Seen — and It’s Still a Million Times Heavier Than the Sun