Farmed rhinos could soon 'rewild' the African savanna

With all the terrible news on climate change, it's easy to lose track of what's happening with particular species. So, in case you missed it, a new report has bad news for Earth's five surviving species of rhino.

How retailers can make more money in online auctions

To get more participants in online auctions and drive up the winning bid prices, two things matter: how long an auction is active and the day of the week it closes, finds researchers from the University Maryland, Stanford ...

Sotheby's latest auction house to end rhino horn sales

Sotheby's on Saturday became the latest international auction house to end the sale of rhino horn artefacts, withdrawing antique lots from an upcoming event in Hong Kong following an outcry from environmental groups.

Stephen Hawking's wheelchair sells for $393,000 at auction

A wheelchair used by physicist Stephen Hawking has sold at auction for almost 300,000 pounds ($393,000), while a copy of his doctoral thesis fetched almost 585,000 pounds ($767,000), auctioneer Christie's said Thursday.

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