The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

Two new peer-reviewed papers claim thousands of unexplained light flashes in vintage Palomar telescope images show statistical ties to nuclear tests and UFO reports. Not everyone agrees with the paper ...

A rocket scientist who directed a top-secret investigation into UFOs has spoken about the bizarre things his colleagues claimed to have witnessed. Dr James Lacatski, an intelligence analyst previously ...