Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

NASA defended preparations for Artemis 2 after a fueling test had hydrogen leaks like those that bedeviled Artemis 1 more than three years ago.

NASA was forced to end a critical fueling test of its giant Artemis 2 rocket early in the wee hours of Tuesday, delaying its ...

The Environmental Protection Agency (EPA) cracked down on lead-based products—including lead paint and leaded gasoline—in the 1970s because of its toxic effects on human health. Scientists at the ...

Solar panels and wind turbines increasingly dot the landscape, but the future of clean energy may well depend on how smoothly ...

The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, chances are, you remember exactly where you were and how you felt.

Alma Figueroa began to worry when she learned that her gas provider wanted to test a controversial solution to curb global warming: blend hydrogen with natural gas to power her stove and other ...

Scientists from the University of Cambridge have developed a new reactor that converts natural gas (a common energy source primarily composed of methane) into two highly valuable resources: clean ...

Reservoirs of hydrogen gas that form naturally in Earth's crust could help humans decarbonize. The challenge now is finding these accumulations and working out how best to mine them, experts say. When ...