Source Live science
January 17, 2026 — In a week that spanned the extremes of history and the future, the global scientific community has witnessed a historic first in orbit, a major setback for planetary exploration, and a chillingly well-preserved glimpse into the Ice Age.
1. Historic First: Medical Evacuation from the ISS
For the first time in the 25-year history of the International Space Station (ISS), a mission has been cut short for medical reasons. On January 15, the SpaceX Dragon capsule Endeavour splashed down safely in the Pacific Ocean off the coast of San Diego, carrying the four members of Crew-11.
The evacuation was ordered on January 8 after a crew member developed a “serious but stable” medical condition. While NASA has withheld the identity of the astronaut to protect their privacy, officials confirmed that the return was a precautionary measure rather than an emergency de-orbit.
“Space is unforgiving, but our medical systems proved resilient,” said NASA Administrator Jared Isaacman. “The health and well-being of our astronauts remains our highest priority.”
The crew, which included NASA’s Zena Cardman and Mike Fincke, JAXA’s Kimiya Yui, and Roscosmos’s Oleg Platonov, returned approximately one month ahead of schedule.
2. The End of an Era: Mars Sample Return Canceled
While one crew returned to Earth, NASA’s ambitious plans to bring Martian soil back to our planet have come to a halt. In a significant blow to planetary science, the Mars Sample Return (MSR) program has been officially canceled by Congress in the 2026 federal budget.
Despite the Perseverance rover having already cached 33 sample tubes on the Martian surface, the project’s ballooning costs—estimated to reach upwards of $11 billion—and technical complexities led lawmakers to pull the plug. While $110 million was set aside for “future technology development,” the current architecture of the mission is dead. This leaves the door open for other nations, most notably China, to potentially become the first to return samples from the Red Planet.
3. A 14,000-Year-Old Meal: Woolly Rhino Found in Ice Age Wolf
Back on Earth, paleogeneticists have made a startling discovery inside the stomach of a mummified wolf puppy (known as the Tumat puppy) recovered from Siberian permafrost.
An autopsy revealed a 4×3 cm fragment of preserved flesh, complete with golden hair, that was initially mistaken for cave lion tissue. However, DNA sequencing published this week in Genome Biology and Evolution confirmed the tissue belongs to a woolly rhinoceros.
Key Findings from the Discovery:
The Date: The tissue is approximately 14,400 years old.
The Significance: This marks the first time a complete genome of an Ice Age animal has been recovered from the stomach of another.
Extinction Clues: Analysis suggests the rhino population was stable and genetically diverse right up until their disappearance, supporting the theory that abrupt climate change, rather than human hunting, was the primary cause of their extinction.
