ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

Stargazers in southern Ontario hoping to catch a glimpse of the Perseid meteor shower Tuesday night were left scratching their heads when a mysterious object appeared in the skies above them.

Residents in Northeastern and Central Pennsylvania and beyond along the east coast spotted something unusual in the sky Tuesday night.A swirling light was seen ...

Did you notice a strange white spiral in the sky over New Jersey the night of Aug. 12? Here's what it could have been.