Observation of the night sky, before the advent of satellites, was assumed to be free of the artificial bright points that ...

A new study analyzing historical photographs taken by the Palomar Observatory between 1949 and 1957 has detected several ...

Two new papers delve into mysterious lights and objects that were observed in the sky years before the first satellite ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should be visible across the U.S. But unless you're willing to wake up before ...

Most distant celestial objects, such as galaxies and nebulae, generally do not exhibit perceived color through telescopes due to their low surface brightness, which is insufficient to activate the ...

Long and sparkly, the winter night sky is a spectacle — inviting us to wrap up, go outside and gaze up at planets, stars, airplanes, a sudden meteor and the parade of satellites. “Winter skies are ...

Researchers poured over historical photographs in search of "transients"—short-lived flashes of light of the night sky.

Two videos, which can be viewed in the video player above, were taken in McCrory and Bryant Arkansas. The soaring light shoots across the sky before it splits apart and glides through the air. A ...

People in at least seven states report the UFO sighting. — -- People across parts of the country turned their gaze skyward Monday, with two objects spotted in the night sky. The first object was ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...