Astrophysics and cosmology Archives – Page 13 of 58

ESO

A new national facility at La Silla Observatory in Chile, operated by the European Southern Observatory (ESO), made its first observations at the beginning of the year.

Ancient black hole lights up early universe

The spectrum of J1342+0928 gives us a view on the universe when it was just 690 million years old.

HAWC clarifies cosmic positron excess

New measurements by the High-Altitude Water Cherenkov (HAWC) experiment hints at a more exotic origin of the positron excess.

First cosmic-ray results from CALET on the ISS

The CALorimetric Electron Telescope (CALET) has released its first results concerning the nature of high-energy cosmic rays.

Extreme cosmic rays reveal clues to origin

The Pierre Auger collaboration has published results showing that the arrival direction of ultra-high-energy cosmic rays (UHECRs) is far from uniform.

Gravitational waves and the birth of a new science

The era of multi-messenger astronomy is here, calling for next-generation gravitational-wave observatories.

First intermediate black-hole candidate

A group of researchers from Keio University in Japan has now shown strong evidence for the existence of an intermediate-mass black hole (IMBH) within the Milky Way.