Foremost of these is the absence of strong radio emissions from the mystery object.

There will be a mystery object on display for visitors to guess its purpose.

Either object would be about the size of the mystery object, he said.

The mystery object has so far confounded astronomers because they cannot decipher the language of its light.

This was how the new mystery object showed up.

It features mystery objects where the audience are asked to write in and guess what the implement's original function was.

She held her breath as the drone took a step forward to examine the mystery object.

"What do you think the mystery object is, sir?"

These mystery objects are too small and dim to be stars.

It was at these times he treasured the mystery object.