A smaller white dwarf star (left) pulls material from a larger star into a swirling accretion disk in this artist’s concept released Nov. 19, 2025, to illustrate the first use of NASA’s IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star. IXPE spent nearly one week focused on EX Hydrae, a white dwarf […]
Author: Guest authors
New chairs of Network Rail and DFTO named
Two key rail leaders have been appointed to oversee the railways at a monumental time for the industry today, Monday 12 January. Richard George has been appointed Chair of Network Rail, the public body that owns, operates, maintains, and develops Britain’s railway infrastructure. Sir Andrew Haines will become Chair of Department for Transport Operator Limited (DFTO), the government body bringing all currently […]
Últimos preparativos para la primera misión tripulada a la Luna con la campaña Artemis de la NASA
Read this article in English here. Conforme la NASA se acerca al lanzamiento del vuelo de prueba Artemis II, la agencia pronto llevará por primera vez su cohete Sistema de Lanzamiento Espacial (SLS, por sus siglas en inglés) y la nave espacial Orion a la plataforma de lanzamiento en el Centro Espacial Kennedy de la agencia en […]
Complement-ARIE NAMs Reduction to Practice Challenge
Recent technological advances have set the stage for a renewed focus on human-based solutions called new approach methodologies (NAMs) that can complement, and in some cases replace, animal models in research and regulatory testing. These NAMs generally span advanced cell-tissue-organoid (in vitro), computational modeling (in silico), and cell-free biochemical analysis (in chemico) techniques, with each […]