SpaceInterstellar: The bizarre visitor from a far-off solar system First seen in October 2017, the space rock 'Oumuamua looks like a skyscraper tumbling through space – and challenges our ideas of how planetary systems form Features
SpaceWeird dim star isn't due to alien megastructure - it's just dustTabby’s star flickers like no other star we’ve seen. Some have suggested that’s due to an alien structure blocking its light, but it’s likely just dust News