AVG LinkScanner 8.5 uses a different approach. It's a free download and was first released as part of AVG AntiVirus 8. When you run a Google or Yahoo search, each search result is pro-actively scanned by LinkScanner to see if it can determine whether the destination site is rogue or legitimate. Problem with this approach is that it can take time to examine each website, so will slow your web browsing experience.
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Some parts of Atacama have not received rainfall for 500 years - but a sudden deluge of water upset the Desert's delicate biological balance
Spitzer Space Telescope could not spot Oumuamua, suggesting that it is actually pretty small
Greenland crater one of the 25 largest impact craters on Earth
This long-sought progenitor star was identified in an image captured by Hubble in 2007