In vast regions of Antarctica, white dominates the horizon and there are almost no traces of contrast. However, unexpectedly, small dark rocks break that...
In the Calchaquí Valleys of Tucumán, the Ampimpa Astronomical Observatory offers a different kind of summer. There, sky observation is combined with relaxation, altitude,...
The XMM-Newton telescopes, from the European Space Agency (ESA), and XRISM, from the Japan Aerospace Exploration Agency (JAXA), detected a bright explosion from a...