Astrophysics and cosmology Archives – Page 5 of 59

Advances in cosmology

The papers assembled in this volume range in subject matter from dark-matter searches and gravitational waves to artistic and philosophical considerations.

Potent accelerators in microquasar jets

H.E.S.S opens exciting possibilities in the search for galactic cosmic-ray sources at PeV energies and extragalactic ones at EeV energies.

AMS upgrade seeks to solve cosmic conundrum

A major upgrade to the AMS-02 tracking system planned for 2026 will bring key information relating to a mysterious excess of cosmic rays at high energies.

Webb sheds light on oldest black holes

The oldest black hole found by the JWST and Chandra telescopes hints at the seeds of supermassive black-hole formation.

Supernovae probe neutrino self-interactions

The Standard Model predicts feeble self-interactions among neutrinos, but probing them remains beyond the reach of present-day laboratories on Earth.

ESO’s Extremely Large Telescope halfway to completion

The Extremely Large Telescope has passed its construction mid-point atop Cerro Armazones in the Atacama Desert.

Time dilation finally observed in quasars

Data from the Sloan Digital Sky Survey and PanSTARRS-1 resolve one of the main problems with the standard cosmological model.

Gravitational waves: a golden era

Azadeh Maleknejad and Fabrizio Rompineve explain why precision measurements of the gravitational-wave spectrum are essential to explore particle physics beyond the reach of colliders.