Scientists put moss on the outside of the International Space Station for 9 months — then kept it growing back on Earth

NASA is returning four astronauts from the International Space Station (ISS) earlier than planned due to a medical concern affecting one of the Crew-11 astronauts. This decision marks the first-ever medical evacuation from the ISS, highlighting the agency's commitment to crew safety. The astronauts are expected to return to Earth soon, following the agency's protocols for such emergencies.

SpaceX's Crew-11 astronauts are set to undock from the International Space Station (ISS) today, marking the first-ever medical evacuation from the orbiting laboratory due to an undisclosed medical issue affecting one of the crew members. This unprecedented event will be broadcast live, allowing viewers to witness the historic moment.

Global temperatures experienced a dip in 2025, yet scientists caution that more heat records are anticipated in the future. This follows a trend where the last three years have been the hottest on record, driven by ongoing carbon emissions from human activities.

In 2025, extreme weather events have significantly impacted various regions globally, with the Palisades Fire raging along the Pacific Coast Highway in January, contributing to the alarming trend of climate change. Last year was recorded as the third hottest year on Earth, highlighting the urgent need for action against climate-related disasters.

Global temperatures dipped in 2025, but the last three years have been the hottest on record, with global warming surpassing 1.5 degrees Celsius, indicating that Earth is on track to breach the Paris climate agreement by the end of the decade.

On January 14, 2026, SpaceX's Crew-11 mission will conduct the first-ever medical evacuation from the International Space Station (ISS), returning four astronauts to Earth due to a medical concern affecting one of the crew members. This unprecedented event highlights the challenges faced by astronauts in space and the importance of health monitoring in such extreme environments.

Research indicates that viruses may exhibit enhanced capabilities in the microgravity environment of the International Space Station (ISS), suggesting that microgravity influences viral evolution in ways that remain largely unexplored.

A stunning photograph of the Orion Nebula, the closest large star-forming region located 1,500 light-years from Earth, has captured the attention of astronomy enthusiasts and is encouraging many to explore the night sky with telescopes this week.