New plasma instability sheds light on the nature of cosmic rays

Simulation of cosmic rays counter-streaming against a background plasma and exciting a plasma instability. Shown is…

NASA’s MAVEN observes the disappearing solar wind

Credit: NASA’s Goddard Space Flight Center In December 2022, NASA’s MAVEN (Mars Atmosphere and Volatile EvolutioN)…

A 14-inch spacecraft delivers new details about ‘hot Jupiters’

The CUTE instrument development from concept (instrument schematic, top) to telescope characterization (CUTE flight telescope in…

Using gravitational waves to observe thermal effects in binary neutron star mergers

Plots comparing the density (right) and temperature (left) of two different simulations of neutron star mergers…

NASA’s EMIT instrument maps global airborne mineral dust

This EMIT scene shows Lake Mead in Arizona-Nevada, United States. A) Tetracorder analysis for ferric and…

Webb stuns with new high-definition look at exploded star

Cassiopeia A (NIRCam Image). Credit: Webb Space Telescope Objects in space reveal different aspects of their…

Atmospheric Waves Experiment’s ‘first light’ images received

AWE Ground Systems & Mission Operations Manager Pedro Sevilla of the Solar Dynamics Laboratory (SDL), along…

Scientists find evidence of a nearby kilonova 3.5 million years ago

Artist’s impression of a neutron star merger. Credit: University of Warwick / Mark Garlick Most of…

The year’s best meteor shower is upon us—and this one will be a true spectacle

The most meteors are seen when the radiant culminates (reaches its highest point in the northern…

Ryugu samples illuminate terrestrial weathering effects on primitive meteorites

Optical images of the Ryugu sample (left) and the CI chondrite (Orgueil; right). Credit: Kana Amano…