Outdoor lighting for buildings, roads and advertising can help people see in the dark of night, but many astronomers are growing increasingly concerned that these lights could be blinding us to the ...

Add Yahoo as a preferred source to see more of our stories on Google. Light pollution from human activity can threaten radio astronomy – and people's view of the night sky. Estellez/iStock via Getty ...

Moab, utah lies nestled in a bend in the Colorado River, a green dot in a Martian landscape of ochre plains and low rocky outcrops that resemble the protruding vertebrae of buried monsters. Sixteen ...

After the summer evenings, when the darkness of night starts setting in, small fireflies are seen twinkling in the fields, gardens, or on the banks of rivers. This sight looks very magical, as if ...