On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...

When an X-ray photon strikes a perovskite semiconductor crystal, it generates a pair of electric charges, one positive and one negative. When these charges reach electrodes at the perovskite edges, ...

Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...