Modem chip giant Rockwell International will lay off around 4,500 people on Friday, according to sources, representing almost 10 per cent of its staff. The company, which is expected to affect all its world wide subsidiaries, needs to cut costs as both modem demand and prices have fallen in recent months.
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