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

Antarctic research crew isolation

Twenty-five Antarctic crewmembers wore proximity sensors through two winters lasting up to 14 months and spent more time alone as each simulated space mission progressed

Once each minute, wrist-worn sensors checked whether members of an Antarctic crew were near one another. Across many months of darkness and confinement, those simple electronic encounters created a record of group contact, revealing when people gathered and when individuals increasingly spent time alone. A study published June 8, 2026, in Frontiers in Psychology reports…

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Astronaut heart ultrasound

Ten astronauts showed mildly weaker heart contractions on day 150 aboard the ISS, and all three ultrasound measures recovered within four days of landing

Astronauts living aboard the International Space Station showed a mild decline in how strongly part of the heart contracted after about five months in orbit. Measurements taken four days after landing had returned close to their preflight levels, pointing to a fast and largely reversible response to life in microgravity. The findings come from a…

A dramatic monochrome image of an old space capsule in dim light, showcasing space exploration history

One-second future-motion cues helped 90 percent of volunteers tolerate a simulated astronaut splashdown, compared with 33 percent without them

A strange challenge can await astronauts after they survive the heat and force of reentry. Once their capsule reaches the ocean, rolling waves may trigger nausea at the same time the crew must check equipment, communicate with recovery teams and prepare to leave the spacecraft. Researchers have tested a possible way to ease that problem:…