2026 Mercedes-Benz CLA feels like a real car, not a science experiment

Mercedes' new 800 V electric powertrain is ready for the public, and we've driven it. [...]

The report oil companies are worried about: Climate attribution science

New report says our ability to tie weather damages to climate change is improving. [...]

Chicks hatched from artificial eggshells, a new mission to study Earth's magnetosphere and more science stories

This week's science news. [...]

Ars Live: 3 former CDC leaders detail impacts of RFK Jr.’s anti-science agenda

Join us Tuesday, December 16, at 2 pm ET to hear from leaders who resigned in protest. [...]

Best science-based weight loss program for long-term results

Start a Weight Watchers program for as low as $10/month for 10 months and get the first month free [...]

NASA's latest mission to the ISS features a bacterial experiment

Scientists are sending several strains of disease-causing bacteria to the International Space Station as part of the Crew-11 mission. This experiment isn't the plot to some cheesy horror film, bu [...]

A rare bird appeared in Brazil. AI had put it there.

A rare bird turned up in central Brazil, or so it seemed. A photo on the wildlife platform iNaturalist showed a red-winged blackbird. That North American species had never turned up in that part of Br [...]

'We’re still early, but it’s clear that AI will play a meaningful role in how science advances': OpenAI launches free Prism app for scientific research

OpenAI says 2026 will be the year AI "accelerate[s] discovery in several ways" and reduces the friction involve with research. [...]

UN emissions report: The planet is falling well short of its climate targets

The outlook for future generations isn't looking so great. The UN released its annual Emissions Gap Report on Tuesday, and the news is mostly bad. The world’s projected climate path falls far s [...]