Spinning their sticky webs in shadowy corners to capture mosquitoes, flies, wasps and cockroaches, the American house spider (aka common house spider) is more friend than foe. What they look like: The ...

Researchers believe that's partly down to the spider's 'dark DNA' - a mysterious part of the animal's genetic code, and they ...

Scientists say they've begun to better understand why there are so many varieties of a colourful, dancing Australian spider.