The nonprofit start-up Pioneer Labs claims to have made the first-ever “microbe for Mars.” Other experts aren’t so sure ...

Brian Gallagher is a writer and editor. Are We Ready for Mars?, his first book, co-authored with Mark Shelhamer, comes out in October from Johns Hopkins University Press. You can follow him on X @bsga ...

Mathematicians love to collect elegant, profound questions that defy proof: the longer the holdout, the better. And one day ...

Google’s first step toward putting data centers in space is officially underway. On Thursday, October 1 at approximately 2:32 ...

Several times since the age of dinosaurs, the solid part of our planet has rolled over, drowning some continents and lifting ...

But, with careful planning, some telltale indicators of rainbows and other optical phenomena can be seen. To be clear, none ...