Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...

Since their first detection, powerful bursts of X-rays from distant galaxies, known as fast X-ray transients (FXTs), have ...

Letter Published: 03 March 1928 Soft X-ray Emission and Absorption Spectra with Tangential Grating JEAN THIBAUD Nature 121, 321–322 (1928) Cite this article ...

Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...

Since their discovery by Wilhelm Roentgen in 1895, X-rays have become a staple of modern medical care, from imaging teeth and ...

This week in Indie Basement: the 30 best records of 2025 from January to June, with a focus on classic indie / alternative.

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

A development of high-resolution X-ray microscope with a new type of field emission electron source is now in progress. The X-ray microscope is equipped with a lithium liquid metal electron source (Li ...

A simple expression for the noise in the photocurrent generated by the detection of light from an ideal superluminescent source is derived using a quantum amplifier model. The excess noise factor X is ...

AUSTIN, Texas — Currently, companies like Tesla are pushing for solar power and batteries to help the electric grid in Texas at times of peak demand. The bulk of the lithium produced for those ...