As the Earth’s average temperature has risen by more than 2 degrees Celsius above pre-industrial levels, a scenario in which ...

Learn more about the number of satellites circling Earth and the multiple ways they are changing the sky.

In Kerala, outdoor workers are being diagnosed with cataract earlier than expected, raising questions about ultraviolet exposure, coastal geography and gaps in eye care.

A new OLED design can stretch dramatically while staying bright, solving a problem that has long limited flexible displays.