Data transport and network access vendor Tellabs has bought Ciena, a wave division multiplexing equipment vendor, for $7.1 billion (#4.4 billion).
Tellabs plans to integrate Ciena's WDM product line, used in networks to increase bandwidth, with its own SONET (synchronous optical network) transport equipment.
Cotton seedling freezes to death as Chang'e-4 shuts down for the Moon's 14-day lunar night
Fortnite easily out-earns PUBG, Assassin's Creed Odyssey and Red Dead Redemption 2 in 2018
Meteor showers as a service will be visible for about 100 kilometres in all directions
Saturn's rings only formed in the past 100 million years, suggests analysis of Cassini space probe data
New findings contradict conventional belief that Saturn's rings were formed along with the planet about 4.5 billion years ago