The former NASA chief scientist has left the planet five times, and has spent more than eight hours floating alone in space
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Un estudio constata que algunas personas aumentan su tasa metabólica a partir de cierta temperatura, pero aún trata de entender por qué
It was the year 1275 when Alfonso X the Wise was traveling with his daughter, Infanta Leonor, to meet with Pope Gregory X in France. The young woman, about 19 years old and the fourth of the king's eleven legitimate children, died suddenly on the journey. Her father…
The James Webb Space Telescope (JWST) has discovered the most distant active supermassive black hole to date, located in a galaxy, CEERS 1019, that existed only about 570 million years after the Big Bang. The object emerged very early…