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

It’s been a blistering year for the U.S. The first eight months of 2026 were the hottest such period ever recorded in the contiguous U.S. since at least 1895. That puts 2026 on track to being among ...

An unexplained high-energy neutrino detected three years ago could be linked to a primordial black hole, perhaps one more even unusual than previously thought ...

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 ...

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 ...

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

In February 2020, behavioral ecologist Mickey Pardo witnessed the aftermath of an elephant birth. In Kenya’s Samburu National ...

Today Project Suncatcher is sending four AI processors into orbit on a SpaceX rocket to see whether the building blocks of a ...

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

The distinct, earthy smell that fills the air after rain following a long dry spell can trigger some serious nostalgia. This ...

While the results don’t prove the treatments are ineffective, they reveal how many products are on the market with little to ...