X-ray spectroscopy techniques (e.g. X-ray emission spectroscopy, X-ray absorption spectroscopy, etc.) are used in a variety of applications including in material science, astronomy, and biomedical.

The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) ...

Inelastic X-ray scattering (IXS) and spectroscopy have emerged as indispensable tools in modern materials science, chemistry and condensed matter physics. By measuring the energy lost by X-rays after ...

This image shows (a) the Nature magazine cover; (b) the single atom X-ray mechanism; (c) a supramolecular ring with one iron atom; (d) X-ray spectra of one iron atom; (e) a terbium dimer complex; (f) ...

What is X-ray Absorption Spectroscopy (XAS)? X-ray Absorption Spectroscopy (XAS) is a powerful analytical technique that probes the local atomic and electronic structure of materials by measuring the ...

Herein, the O K-edge X-ray absorption spectroscopy (XAS) profile of an aqueous acetonitrile solution presented a distinct sharp peak not commonly observed in the corresponding profile of liquid water.

What is Scanning Transmission X-ray Microscopy (STXM)? Scanning Transmission X-ray Microscopy (STXM) is a powerful imaging technique that combines the principles of X-ray spectroscopy and microscopy ...

New XRISM X-ray observations reveal details of gas near a supermassive black hole in galaxy MCG–6-30-15, helping scientists better measure black hole spin and behavior ...

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from an interstellar comet. As Comet 3I/ATLAS hurtled through our solar system at ...

Virtually every scientific field has made strides by harnessing light to study the properties of substances. This technique, called spectroscopy, has countless research applications, and innovations ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...