A male contraceptive gel prevented pregnancies for a year in rhesus monkeys.
Holographic cosmology is a way of simplifying mind-boggling mathematical models of our universe. But it doesn’t necessarily mean we live in a hologram.
Researchers who study icy places have discovered uncanny phenomena.
March for Science organizers want to boost appreciation for research they see as under threat. Plus, scientists theorize that metallic hydrogen could be used to create superconductors and high-powered rocket propellant. And how frog saliva changes from high to low viscosity when it hits an insect.
New advances in stem cell research will one day make it possible to grow human transplant organs in animal hosts. And astrobiologists are looking at unusual environments on Earth for clues on how to search for life elsewhere in the solar system.