Why does plastic turn brittle and paint fade when exposed to the sun for long periods? Scientists have long known that such ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

All cells need to sense and respond to their environment, to know when to activate genes, build proteins, and carry out their ...

Clean energy is cheap energy. Building a large-scale solar or wind project costs less than a new gas plant, and solar and ...

The Trump administration on Monday stripped the words “renewable” and “energy” from the National Renewable Energy Laboratory name, furthering White House directives to abandon clean energy ...