The latest versions of Firefox and Safari contain a password management security flaw that could allow certain websites to access stored usernames and passwords.
However, some developers and commentators have questioned whether this constitutes a vulnerability in the browser, as it requires the attacker to place malicious code on the web server.
If an attacker can place script code on a server, they would be able to manipulate the pages anyway, and would have other ways to steal user access data.
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