CR's tests confirm that the chemical perchlorate is widespread in our food. Regulators have known of the risks for decades but continue to drag their feet. By Kevin Loria A component of rocket fuel ...

A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its power comes from an ...

Converting petroleum into fuels involves crude chemistry first invented by humans in the 1800s. Meanwhile, bacteria have been producing carbon-based energy molecules for billions of years. Which do ...

Photo: NASA (Outer Image)/ compound image by autoevolution (Inner Image) Chemical fuel is nasty stuff to squishy, vulnerable flesh sacks called humans, from the noxious, flammable vapor of gasoline to ...

Humans have achieved groundbreaking feats in space exploration, reaching distant stretches of space with missions like Voyager 1. However, none of this would have been possible without rockets.