UFO experts are investigating footage of a mysterious object which appeared in Texas.
The eyewitness who shot the footage says it appeared to change shape over a period of around four minutes.
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The object was spotted in Houston at around 3.15pm on November 23rd.The mutual UFO network (MUFON) says it is now looking into an explanation.
"I noticed the reflection of light in the sky," the witness said.
"It was stationary, and appeared to change shape."
A short time later, the object appeared to move.
Most UFO sightings can be explained as something natural or man-made.