Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

With battery-powered cars, windmills, and solar farms California hopes to shrink its carbon footprint to nothing. But some see a downside.

Three fires that broke out in San Diego last week started from homeless encampments, the San Diego Metro Arson Strike Team ...

Seven words changed the course of Paula Hultman’s life— “Your son is a registered organ donor.” Now, Hultman pours her heart ...

The Public Health Agency of Canada is part of the federal health portfolio. Our activities focus on protecting against threats to public health, preventing and reducing diseases and injury, and ...