A new method to exploit Gamma-Ray Bursts (GRBs), the most energetic explosions in the universe, as independent measurements of the Universe’s expansion rate has been discovered in optical wavelength.

By Will Dunham WASHINGTON (Reuters) -Scientists may be coming closer to confirming the existence of dark matter - the ...

Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

ESA’s gamma-ray satellite, Integral, is fully operational. Today Integral’s first ground-breaking images of the high-energy Universe were presented in Paris, France. Astronomers call such initial ...

Every 3 hours, NASA’s Fermi Gamma-ray Space Telescope scans the entire sky and deepens its portrait of the high-energy universe. Every year, the satellite’s scientists reanalyze all of the data it has ...

Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...

Although our galaxy's supermassive black hole is relatively placid, the center of the Milky Way wherein it resides is not a placid place. Its extreme location is rife with what can best be described ...

HAIZI MOUNTAIN, China (AP) — Astrophysicist Cao Zhen opens a steel hatch on a windswept Tibetan Plateau and climbs down a ladder into inky darkness. His flashlight picks out a boat floating on a pool ...

An experiment on the side of an extinct volcano in Mexico involving gamma rays is helping scientists answer a fundamental question in physics: Is the speed of light the same throughout the universe?