SCIENCE

Russian Soyuz 2.1a with the Progress MS-26 cargo spaceship blasts off at the Russian leased Baikonur cosmodrome in Baikonur, Kazakhstan, on Thursday, Feb. 15, 2024. Roscosmos State Space Corporation via AP News of a possible Russian satellite-destroying, space-based nuclear weapon sent shock waves through Washington this week. Some officials responded with considerable alarm, while others … Read more

All the major structures that will form the core stage for NASA’s SLS (Space Launch System) rocket for the agency’s Artemis III mission are structurally complete. Technicians finished welding the 51-foot liquid oxygen tank structure, left, inside the Vertical Assembly Building at NASA’s Michoud Assembly Facility in New Orleans Jan. 8. The liquid hydrogen tank, … Read more

Coot nesting on a bike on a lake in Copenhagen. Birds and humans also co-inhabited specific environments in our prehistory, new research shows. Credit: Lisa Yeomans Roughly 14,500 to 10,500 years ago, in the transition from the last glacial period, Epipaleolithic and Neolithic peoples harvesting vegetation from the wetlands of eastern Jordan created a habitat … Read more

Intra- and interspecific differences in the shape of the anterior-middle part of the nasal mass and the posterior-middle part of the nasal mass were detected, suggesting that the morphological variability of the nasal bone differs according to its section. Credit: KyotoU/Yugo Ikeda Japanese horseshoe bats—or Nihon Kikugakushira—emit high-amplitude, ultrasonic waves from their nostrils. Several ultrasound-related … Read more

Atmospheric rivers, filaments of intense moisture transport in the atmosphere, can now be automatically detected in satellite observations. Credit: NOAA Atmospheric rivers (ARs) are filaments of intense moisture transport in the atmosphere. These weather systems drive a large fraction of the extreme precipitation events over coastal regions. Detecting ARs in satellite observations has long been … Read more