The winning technologies use X-ray and radio frequency detection to find illicit substances in packages in the mail.

The broad goal here is to speed up the disaster recovery process.

The agency went viral on Wednesday. Here's what those underground tunnels are all about.

The Naval Information Warfare Systems Command is hosting a contest for developing AI solutions for real-world cybersecurity challenges.

The government wants solvers to "demonstrate the potential" of this kind of public-private partnership to solve government problems.

It's part of the Career Compass challenge: a competition to crowdsource ideas for technology solutions that will help federal workers plan for the changing nature of work.

The agency wants AI that can help predict unplanned hospital visits.

Last year's challenge didn't solve the problem the agency wanted solved.

What technologies can make this vital service safer, more efficient and more resilient against potential cyberattacks?

It's an essay contest that asks for three to five pages answering what "new or evolved technology will have the greatest impact, either as a challenge or…