The powerful, Tucson-born infrared eyes of the James Webb Space Telescope have notched another record for long-range viewing: the largest number of individual stars ever detected in the distant ...
Galanti and his colleagues had previously found evidence of axion-like particles in light from distant blazars – extremely active galaxies that blaze with light. But the brightest gamma-ray explosion ...
Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...