Abstract: In this article, we investigate the optimal control problem for an unknown linear time-invariant system. To solve this problem, a novel composite policy iteration algorithm based on adaptive ...

Elon Musk's SpaceX has overtaken Amazon to become the world's fifth-most valuable company after a blistering post-IPO rally.

Rejoice: The Amazon app now lets you ask real shopping questions to its fake podcasters — it's an addition to the "Hear the highlights" AI feature the company introduced last year. Before, the short ...

AI-powered audio shopping feature now lets you ‘Join the chat,’ asking questions by text or voice and getting tailored answers as you listen. Today, Amazon is launching Join the chat, a new ...

Abstract: In this article, an evolution-guided adaptive dynamic programming (EGADP) algorithm is developed to address the optimal regulation problems for the nonlinear systems. In the traditional ...

In November 2025, Amazon filed a complaint against Perplexity in the U.S. District Court for the Northern District of California, alleging that use of Perplexity's agentic artificial intelligence on ...

Amazon announced that it is adding new capabilities for ordering food delivery with its Alexa+ artificial intelligence assistant. Users will be able to place orders using natural language on Alexa+ ...

Democratic lawmakers are questioning if Amazon's deal for Melania Trump's documentary violated federal anti-bribery laws. A letter to Amazon's CEO, exclusively shared with USA TODAY in advance, ...

Businesses love that they can use AI to replace those pesky, expensive developers. For example, Atlassian just laid off 10% of its workers, about 1,600 jobs, to throw more money into AI. Block ...

Melania Trump’s self-titled documentary may have been more than a mediocre movie: It’s also the grounds for questioning whether Amazon violated federal anti-bribery laws. In a March 15 letter, a group ...

Sen. Elizabeth Warren (D-Mass.) pressed Amazon on Wednesday about its pricing and contracting practices, raising concerns that the e-commerce giant is overcharging schools and local governments. In a ...

In the era of A.I. agents, many Silicon Valley programmers are now barely programming. Instead, what they’re doing is deeply, deeply weird. Credit...Illustration by Pablo Delcan and Danielle Del Plato ...