After a scientist claimed a 'hostile alien threat' could attack Earth within months NASA has weighed in on the situation.

As seen in: "District 9" Date of first contact: 2009 The aliens in "District 9" — pejoratively described as "Prawns" by the humans in the film — possess space-faring technology way beyond our own.

A newly discovered 10-foot-tall silver monolith on a muddy bluff in Wales has reignited wild speculation on its origin after similar obelisks appeared in Utah, California, England and Romania. The ...