For billions of years, life has depended on Earth's rhythm of day and night. DNA codifies body clocks in all animals and plants, which helps their cells act according to this cycle of light and dark.

The Federal Communications Commission is reviewing a proposal from Reflect Orbital, a startup that wants to place mirror-equipped satellites in orbit to bounce sunlight back to Earth after dark. The ...

A shortcut to sprucing up any dreary urban locale is by throwing in some beautiful greenery. Now, Chinese scientists have unveiled new genetically engineered plants that can glow in the dark, which ...