Despite increasing awareness of how critical sleep is to our health, getting a good night’s rest remains increasingly difficult in a world that’s always “on” — responding to emails at all hours, news cycles that change with every tweet and staring endlessly into the blue light of cell phone, tablet and computers screens.

Scientists are preparing a massive computer model of the coronavirus that they expect will give insight into how it infects in the body. 

Space cooling and heating is a common need in most inhabited areas.

In recent years, the attention of scientists and environmentalists has turned toward how population growth and urban expansion are driving habitat loss and an associated decline in ecosystem productivity and biodiversity. 

Glyphosate, or Roundup, is under scrutiny because of possible impacts on human health and ecosystems.

Researchers at the University of Waterloo have found an environmentally friendly way to explore life in the depths of the ocean.

A team of scientists, led by the University of Bristol, has developed a new photosynthetic protein system enabling an enhanced and more sustainable approach to solar-powered technological devices.

A container ship leaves a trail of white clouds in its wake that can linger in the air for hours.

Fears that electric cars could actually increase carbon emissions are unfounded in almost all parts of the world, new research shows.

The Arctic polar night is a time when the sun remains below the horizon for a full 24-hour cycle.