Hiawatha Bray

Shares in Waltham-based Evolv Technology, which makes weapons detection systems used in sports arenas worldwide, stabilized but remained down Monday after a Friday shock that sent the company's stock plunging 40 percent.

Can AI decide who’s a threat at your door? A new SimpliSafe camera aims to find out.

You might be looking forward to an extra hour of sleep on Sunday, as the nation switches from Daylight Saving Time to Standard Time.

The color-changing purse may not be the most obvious application for E Ink, but the Billerica company says that shows how flexible its product can be.

In a statement, the company said that the search for Peter George’s replacement began in May.

In Medford, a startup called Lithios says it’s creating a clean and relatively cheap way to access vast amounts of lithium that’s presently sloshing around in briny water beneath the southern United States.

While Amazon's newest kindle adds color capabilities, some users are complaining of glitches. Amazon

The public opinion polls said Tuesday's presidential election would be a nailbiter. But it looked a lot different at online prediction markets where people bet real money on the outcome.

A couple of big local technology companies are slashing jobs.

A couple of big local technology companies are slashing jobs.