AOL has raised speculation of further acquisitions by announcing that it is to sell $500 million in new shares. The timing may be related to the fact that its share price has nearly quadrupled in value in the last 12 months. The new issue will leave the company with over a billion dollars in cash, even after buying Internet chat software company Mirabilis for nearly $300 million last month.
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