Astronomy
July full moon 2025 rises this week: Here's what to expect from the 'Buck Moon'
ChatGPT could pilot a spacecraft unexpectedly well, early tests find
Vapour-sniffing drug detector tested at the US-Mexico border
US government tests new vapour-sniffing drug detector at the border
New interstellar object 3I/ATLAS: Everything we know about the rare cosmic visitor
AI could be about to completely change the way we do mathematics
Want to bulk up and build muscle? Don't go to space
'Hybrid' skull may have been a child of Neanderthal and Homo sapiens
Space auction: Sally Ride memorabilia collection sells for $145,000
Why does Mars look purple, yellow and orange in ESA's stunning new satellite image?
US military cuts climate scientists off from vital satellite sea-ice data
A Spacecraft Carrying Human Remains and Cannabis Crashes into the Ocean
Failed Orbital Mission Loses Human Remains, Space Pot
Menstrual Cups Tested in Space Flight Conditions for the First Time
For long-duration missions, female astronauts generally use hormonal contraception to suppress their periods. But this method has potential health risks and requires special storage. Pads and tampons create waste in space. Now researchers have tested menstrual cups on a sub-orbital rocket flight, where they experienced the force of launch, and found they performed identically to ground control cups. This could provide a new option to female astronauts on future missions.
Tracking Macroplastics Leeching Into Rivers from Space
Rivers are one of the main ways that plastics get into the world's oceans, and now we can identify where plastic waste accumulates from space. Researchers used data from the Worldview-3 satellite to identify and map plastic material and polymer-coated surfaces in a watershed on the US-Mexico border. They collected different waste from stream channels and then identified their specific infrared absorption features, matching them to satellite imagery.
Math’s Block-Stacking Problem Has a Preposterous Solution
In principle, this impossible math allows for a glue-free bridge of stacked blocks that can stretch across the Grand Canyon—and into infinity