NASA’s IXPE identifies the source of X-rays in the black hole jet of galaxy 3C 84, confirming inverse Compton scattering and ...

Two composite images show side-by-side observations of the Perseus Cluster from NASA's IXPE (Imaging X-Ray Polarimetry ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

New observations suggest that the relationship between light emitted by quasars has changed over cosmic time, hinting that ...

Water is all around us, yet its surface layer—home to chemical reactions that shape life on Earth—is surprisingly hard to study. Experiments at SLAC's X-ray laser are bringing it into focus.

The first X-ray portrait of comet 3I/ATLAS has turned a rare interstellar visitor into a powerful new probe of the space between the stars. By catching the comet in high-energy light, ESA’s XMM-Newton ...

The X-ray Imaging and Spectroscopy Mission (XRISM), a Japan Aerospace Exploration Agency (JAXA) and NASA collaboration with ...

Webb Telescope detects an atmosphere on TOI-561 b, a scorching rocky planet once thought too small and hot to hold onto its ...

A new phosphorescent material remembers mechanical stress and resets with ultrasound, enabling reusable optical sensors to ...

A programmable semiconductor changes its electronic properties under UV light and reverts under a different wavelength, ...

A stunning image of interstellar comet 3I/ATLAS reveals a vibrant, segmented plasma halo, a 'luminous plasma blaze' that left Avi Loeb speechless.

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by ...