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Orbital science, astronomy, remote sensing, and what lies beyond the atmosphere.

International Space Station cosmic rays
Space

Astronauts on the International Space Station see flashes with their eyes closed as cosmic rays pass through the eye and turn space radiation into brief sparks of light

NASA has documented cosmic-ray flashes seen by astronauts in orbit, a strange spaceflight experience that begins with invisible particles and ends as sudden light inside the human visual system. The flashes can appear when an astronaut is in darkness or trying to sleep, even with closed eyes. For crews aboard the International Space Station, the…

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Neutron star magnetic field
Space

A 2004 magnetar flare released 250,000 years of sunlight in 0.2 seconds, disturbed Earth’s ionosphere, and showed how neutron-star eruptions can reach across the Milky Way

A Nature study captured a rare astrophysical mystery from across the Milky Way: a magnetar called SGR 1806-20 erupted on December 27, 2004, with a flash so intense that Earth’s upper atmosphere briefly responded. The event came from a compact stellar remnant in Sagittarius and became one of the most dramatic magnetar flares ever recorded.…

Illustration of a spiral galaxy surrounded by stars and galaxies in deep space, showcasing cosmic beauty
SpaceNews

Webb has confirmed MoM-z14, a galaxy whose light left 280 million years after the Big Bang, and its brightness and nitrogen-rich chemistry suggest early star formation moved faster than models predicted

A study in The Open Journal of Astrophysics has confirmed MoM-z14, a remarkably bright galaxy seen as it was just 280 million years after the Big Bang. By using JWST observations and spectroscopic measurements, the team pushed the confirmed galaxy frontier to a redshift of 14.44. The finding reaches far beyond a cosmic distance record.…

Satellite in orbit with detailed view of Earth and ocean below
SpaceNews

As the Pentagon seeks $71 billion for Space Force, Mitchell Institute warns U.S. still lacks clear rules for jamming, satellite shadowing and conflict in orbit

$71 billion for the U.S. Space Force is now part of a wider debate over how America should prepare for conflict in orbit. Researchers at the Mitchell Institute have warned that the United States still lacks a shared framework for deciding when hostile behavior in space becomes the opening phase of armed conflict. The finding…