Does anyone know the name of following sci-fi movie. A space ship lands in woods near a small town containing a crawling sack that looks like a worm. This thing kills its victims by swallowing them whole; where they are destroyed by a strong acid that analizes them and the data is broadcast back to its home planet. Its victims include a woman hanging up clothes while a small child is in a crib a few feet away, a teen trying to restart his stalled car, some young people at a dance, and prehaps a few more including possibly a dog at about the same tme as the woman hanging up clothes. The thing is destroyed by soldiers with a hand grenade; and it is discovered to be somekind of a probe from another planet. The movie was probably made by Twentieth Century Fox and made in mid to late 1940s or in early to mid 1950s; and appears to take place in Rockie Mountians. Sorry; but I can not remember any of the actors and actresses. I would really appreciate if someone could supply me with the name of this movie.