OpenAI confidentially filed paperwork for a US IPO, becoming the latest company to move towards a listing as heavyweights in the AI sector race to raise fresh funds.

The ChatGPT-maker stated it had submitted a draft registration statement to the US Securities and Exchange Commission (SEC), adding, “we expect it to leak so we’re just announcing it”.

The AI player did not disclose the size, price or timing of the listing and cautioned a debut may not be imminent. “We have not decided on timing yet; it may be a while because there are things we want to do that are likely easier as a private company,” it stated.

OpenAI added the decision involves “a complicated set of trade-offs”, but that the filing gives it “the option to go public sooner if that ends up being best”.

Reuters reported OpenAI is targeting a valuation of up to $1 trillion, with a debut possible as early as September. The value would put it alongside AI rival Anthropic, which confidentially filed for its own US IPO last week. SpaceX. meanwhile, is expected to launch its IPO this week, at a reported $1.75 trillion valuation.

The three firms all have a “vast need for cash”, Aviva Investors’ head of multi-asset Sunil Krishnan told the BBC, adding “no-one wants to be last” in the race to go public. He explained the companies’ hefty investments in AI infrastructure, including chips and training models, come at significant cost.

OpenAI’s filing follows a period of rapid growth. Last week, research company Sensor Tower estimated ChatGPT crossed 1 billion monthly active users on its app, becoming the fastest in history to reach the milestone.

The company’s route to market was also complicated by its nonprofit origins and efforts to restructure. In May, a US jury ruled against Elon Musk in a lawsuit accusing OpenAI of departing from its founding mission, removing a key legal barrier for the ChatGPT-maker ahead of any listing.

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A look at the quest to mine the bottom of the ocean for valuable minerals, the connection between light pollution and allergies and more climate news.

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AT&T deepened its partnership with EV maker Rivian, confirming its 5G network will power connectivity inside its R2 model, which is slated for availability from 9 June.

The collaboration builds on a relationship dating to 2023, when AT&T became the connectivity provider for Rivian vehicles across the US and Canada.

With the R2 coming to market, the arrangement expands to cover the automaker’s next-generation platform, ensuring its more affordable mass-market model arrives with the same always-on network backbone as its predecessors.

The operator stated its 5G infrastructure will support faster over-the-air software updates, richer infotainment and real-time services which enable the R2 to improve performance and personalisation over time.

“Connectivity is increasingly central to how vehicles are designed, delivered, and improved,” stated Matt Harden, VP of connected solutions at AT&T.

At an automaker technology conference in the US state of Michigan, AT&T also revealed an expansion of its connected car platform in collaboration with Cisco and LiveOne, the parent of Slacker Radio.

The three-way arrangement is designed to simplify how automakers integrate premium entertainment into connected vehicles. AT&T’s wireless network provides the backbone, Cisco contributes multi-party billing infrastructure through its SIM management platform, and LiveOne will be supplying personalised audio content ranging from curated playlists to live programming.

Rather than requiring each automaker to negotiate separate connectivity deals with individual content providers, AT&T noted its platform acts as a single integration layer.

LiveOne joins existing AT&T partners including iM Media Labs and SiriusXM as part of a content ecosystem now reaching more than 60 of the world’s top automotive brands.

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Verizon finalised the purchase of spectrum licences from the infrastructure company comprised of the remnants of UScellular not included in the sale of the bulk of its wireless assets to T-Mobile US.

The buy from Array Digital Infrastructure signs-off a deal struck back in October 2024. It was cleared by the US Federal Communications Commission on 14 May 2026.

Approving the deal the regulator endorsed Verizon’s view the buy would help the operator provide “a better overall experience to its customers” including by enhancing rural and indoor coverage in the parts of the country the assets cover.

In addition to the sale to Verizon, Array divested $168 million of assets to T-Mobile last month and completed a $1 billion deal with AT&T for other spectrum licences in January 2026.

Array noted the latest moves “further the objective” announced in May 2024 “to opportunistically monetise remaining spectrum following the sale of the T-Mobile wireless operation”.

Its president and CEO Anthony Carlson said the company had made “significant progress in our spectrum monetisation efforts and are pleased with the value realised in this sale”.

Array owns and operates shared wireless communications infrastructure in the US, including more 4,400 cell towers across the country.

In December, the company inked a partnership with Verizon which saw the latter sign-up to use its towers to strengthen its 5G network.

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Paleontologists have identified a new species of the axolotl genus Ambystoma from several fossilized specimens found deep in the rocky outcrops of the Mexican state of Hidalgo.

The post New Species of Fossil Axolotl Unearthed in Mexico appeared first on Sci.News: Breaking Science News.

A new species of corcoraniid arthropod that lived during the Furongian epoch, between 497 and 487 million years ago, has been identified from an exceptionally preserved specimen found near Québec, Canada.

The post 490-Million-Year-Old Arthropod Fossil Fills Puzzling Gap in Fossil Record appeared first on Sci.News: Breaking Science News.

By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.

The post Fungi Bloomed Twice around End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.

Paleontologists have described a new species of bipedal shuvosaurid archosaur from New Mexico, shedding light on a group of creatures that roamed North America during the Triassic period, more than 200 million years ago.

The post Toothless, Bipedal Crocodile Relative Lived in New Mexico 212 Million Years Ago appeared first on Sci.News: Breaking Science News.

Paleontologists in Canada say they have recovered a dinosaur tail vertebra from 75- to 80-million-year-old marine rocks on a small island off the coast of British Columbia, providing the clearest evidence yet that bird-like ornithomimosaurs once roamed the ancient Pacific coastline of North America.

The post Rare Ostrich-Like Dinosaur Fossil Found on Canadian Island appeared first on Sci.News: Breaking Science News.

The dream of clean hydrogen has tantalized energy experts for years, but producing it has been tough. Many start-ups think the answer could lie beneath our feet.