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Technology

PHP2Shell Explained: Two Critical PHP Flaws That Can Hand Over a Server

PHP's own engine, not any one app, carries two memory bugs rated CVSS 9.2. Here is what they do, which versions are hit and what the patched releases fix.

Oct 22, 2026/3 min read

PHP source code in a dark-themed code editor, with class methods and string replacement calls visible, a screenshot from 11 February 2017 of MediaWiki code, a file image illustrative of PHP code and not of the vulnerable code

Technology

Astronomers Say a Pulsar's Odd Slowdown Is Explained by a Hidden Sunlike Star, Making It a Rare Stellar Trio

China's FAST radio telescope tracked the millisecond pulsar for nearly five years. A distant star's pull seems to account for much of why it appeared to spin down so fast.

Oct 21, 2026/2 min read

The 500-metre FAST radio telescope dish in its forested karst valley in Guizhou, China, photographed on 10 August 2025, a file photograph of the telescope that observed the pulsar and not from this week

Technology

Interstellar Comet 3I/ATLAS May Have Lost Metres of Its Surface to the Sun, a New Estimate Finds

Two Michigan State astronomers added up every measured gas and dust loss and estimate the nucleus shed from under two metres to more than ten. The layers may have been cooked or stripped.

Oct 21, 2026/2 min read

Comet Tsuchinshan-ATLAS with its tail in the night sky over trees near Lysekil, Sweden, photographed on 15 October 2024, a file photograph of a different comet and not of 3I/ATLAS

Technology

A Power Event in Google Cloud's London Region Knocked Out Banking Apps and Delivery Services for Hours

One availability zone lost power at 06:08 UTC on Tuesday. Customers saw Lloyds, HSBC and Revolut disrupted, and Google says an analysis will follow its investigation.

Oct 21, 2026/2 min read

An aerial view of rows of rooftop cooling units on a large data centre at night-time lighting, photographed on 23 November 2025, a file photograph illustrative of data centres and not of Google's London zone

Technology

An Indian Certificate Authority's Private Keys Were Trivially Guessable, and Browsers Have Revoked Them

One key was the number 4. Eight eMudhra intermediate certificates could have been forged for any site until Mozilla, Google and Apple blocked them. Some software is still exposed.

Oct 21, 2026/2 min read

A brass padlock hanging on a steel chain against a tiled wall with its key below, photographed on 9 February 2023, a file photograph illustrative of security and not of eMudhra or its certificates

Technology

Anthropic Is Pitching Congress a Bill That Could Block an AI Model Only if It Risks Killing More Than 50 People

The draft would let courts halt a release over a bioweapon, a cyberattack or a model slipping its controls, but sets a high bar. No sponsor has been named yet.

Oct 21, 2026/2 min read

The western front of the US Capitol in Washington with its dome under a clear sky, uploaded on 3 April 2007, a file photograph illustrative of Congress and not from this week's reporting on Anthropic's draft bill

Technology

Nvidia Rival Tenstorrent Raises $1.5 Billion at a $6.2 Billion Valuation After Turning Down Takeover Talks

The RISC-V chip designer led by Jim Keller more than doubled its 2024 valuation and chose to stay independent, betting on servers that run open-weight models.

Oct 21, 2026/2 min read

A magnified photograph of the circuitry on a processor die, taken on 15 March 2022, a file photograph illustrative of microprocessor silicon and not of any Tenstorrent chip

Technology

Google Open-Sources TorchTPU and Amazon Releases TorchNeuron, Two Moves Against Nvidia's Software Hold on AI

Two rival clouds are making PyTorch code run on their own chips with minimal edits. Both launched at the PyTorch Conference, and both come with caveats worth reading.

Oct 21, 2026/2 min read

A top-down view of a Google TPU v4 circuit board with four liquid-cooled chip packages and coloured coolant pipes, published on 4 April 2023, a file photograph of Google's TPU hardware and not of TorchTPU software or Amazon's Trainium chips

Technology

SpaceX and Tesla Boards Form Special Committees to Weigh a Merger as SpaceX Reports a $4.4 Billion Quarter

Musk told investors the boards acted at shareholder request and that he sits on neither committee. The same call showed AI now supplies more than half of SpaceX revenue.

Oct 21, 2026/2 min read

A stainless-steel Starship prototype standing on its launch mount at SpaceX's Starbase site in Texas with the build site behind it, photographed on 16 January 2021, a file photograph of SpaceX hardware and not from this week's earnings call

Technology

Salesforce Agrees to Buy Braze for $5.66 Billion in Cash, Paying $47.50 a Share

The customer software giant is paying a reported 58 percent premium for the marketing messaging platform behind Venmo and Instacart, betting that AI agents will want live customer data.

Oct 20, 2026/2 min read

Salesforce Tower rising above other buildings in the San Francisco skyline under a blue sky, photographed on 16 April 2022, a file photograph of Salesforce's headquarters tower and not from the announcement

Technology

ESA's Euclid Telescope Finds Its First New Comet, Spotted by Software as a Streak Across Five Images

A dark-energy survey telescope has picked up a long-period comet 1.3 billion km away, and ESA says the discovery was a happy accident rather than part of the mission plan.

Oct 19, 2026/2 min read

An artist's impression of ESA's Euclid space telescope against a field of stars, released by the European Space Agency in 2023, an illustration of the spacecraft and not an image of the comet