Two papers challenged the existence of theorized particles called sterile neutrinos that might account for mysteries like the cosmos’s dark matter.

🛍️ The best Cyber Monday deals you can shop right now (updating) 🛍️ By Rahul Rao Published Jun 27, 2022 6:43 PM EDT Get the Popular Science daily newsletter ...

New scientific results confirm an anomaly seen in previous experiments, which may point to an as-yet-unconfirmed new elementary particle, the sterile neutrino, or indicate the need for a new ...

The BEST apparatus under construction. This image shows the inner tank, with a BEST researcher standing in the outer tank. The experiment found that the germanium 71 yield was 20% to 24% lower than ...