Baseless as the rumours may be, it does make sense for Yahoo or Google to snap up the company. Yahoo! last year acquired deli.icio.us which is very similar to Digg, except that Digg has a better design and user interface and gets more visitors.
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