TestBox, a Silicon Valley start-up founded by Australian Sam Senior, is worth more than $70 million after attracting ...

Firmable, the start-up founded by venture capital heavyweight Leigh Jasper after he sold his previous business for $1.6 billion, has secured a valuation of almost $100 million after closing a major ...

A system of five models helps peer reviewers to write more constructive comments, but it is not yet known whether this strengthens the papers that are being reviewed. An artificial-intelligence coach ...

In the early 2000s, Hilary Duff soundtracked the era of butterfly clips and Laguna Beach for a whole generation of tweens and teens. Now, the singer-actress has returned to address her millennial ...