The latest Atom is, naturally, called 4RR — and it gets a ridiculous 525 hp. While the horsepower jump is huge, the bigger news may be that the Atom 4RR is still using the same basic Honda ...

A lightweight, minimalist approach to speed has long been Ariel’s signature, and the company is marking 25 years of the Atom with a special edition built purely for the track. The new Ariel Atom ...

To this end, researchers from WPI-ICReDD and University of Shizuoka have developed a facile hydrogen atom transfer (HAT) method that selectively transforms carboxylic acids into carboxy radicals ...

Considering the ridiculously lightweight Atom 4, with 320 hp, already goes 0-60 mph in 2.8 seconds with a top speed of 162 mph, we reckon the new 4RR will be blistering fast.

More information: Jonas Koppe et al, Coordination environments of Pt single-atom catalysts from NMR signatures, Nature (2025). DOI: 10.1038/s41586-025-09068-x ...

For almost 20 years, Motomachi High School in Hiroshima has tasked its art students with interviewing hibakusha -- atom bomb survivors -- and turning their harrowing testimonies into paintings.

Hell's bells: Ariel confirms 532hp Atom 4RR Just 25 to be made, coming this year - and with a very special Honda 2.0-litre engine By Matt Bird / Friday 4 July 2025 / Loading comments ...

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Nevermind being a long way from the K-series-powered Atom 1 that started it all, the Atom 4RR adds 125bhp, or more than the total power in an Atom 1, compared to the 400bhp Atom 4R on which it’s ...

Ariel has unveiled the Atom 4RR to celebrate the model’s 25th Anniversary. The Atom 4RR is the model’s most powerful version yet and is aimed at dedicated circuit drivers. It is powered by a 2.0-litre ...

As the name suggests, this is the fourth generation of the Ariel Atom. When it made its millennial debut, power came from a 1.8-liter Rover K-Series engine that had already been proven in the Lotus ...