WASHINGTON — Space and cyber forces moved first in preparation for U.S. and Israeli strikes on Iran on Feb. 28, underscoring how military campaigns now begin in orbit and online
WASHINGTON — Space and cyber forces moved first in preparation for U.S. and Israeli strikes on Iran on Feb. 28, underscoring how military campaigns now begin in orbit and online
Schematic image of three types of protoplanetary systems and their contribution to the radius-eccentricity profile and radius valley. — astro-ph.EP While recent planet-formation models broadly reproduce the observed population of
Distribution of our found planets in period–radius space (left) and instellation–radius space (right). Each planet and its associated errors are are marked with the red points, while the background grid
The Vera C. Rubin Observatory sits on its mountain peak in Chile during observation activities in April 2025. The observatory will soon begin real-time nightly monitoring of the entire Southern
Effect of mec-4 mutations on neuromuscular aging and muscular calcium transients in a terrestrial 1G environment. (A) Heatmap analysis of log2(FC) ratio of autophagy/aggrephagy genes between D01 wild type and
Orbital and lunar data centers are often framed as engineering challenges or launch economics problems. Those matter, but they are not the limiting factor. The real bottleneck is the absence
ID: ESP_072042_1330, date: 8 December 2021,altitude: 251 km larger image NASA/JPL-Caltech/University of Arizona The dark sand dune at the center of this observation is covered in a blanket of white
March 2, 2026 Houston, Texas – World Space Week 2025 recorded nearly 50,000 activities across 102 nations, marking the highest global participation in its history, World Space Week Association announced
Exoplanets, -moons, -comets Status Report astro-ph.EP) March 2, 2026 Schematic diagram for classifying planets according to their masses and orbital periods. The various categories of planets are labelled. The boundary
Two-dimensional wireframe representation of the atmospheric geometry implemented in the Geant4 simulations. The model consists of four concentric spherical layers corresponding to the altitude ranges 15–20 km, 20–25 km, 25–30






