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Scientist of the Institute for Safety Problems of Nuclear Power Plants of the NAS of Ukraine in the Chernobyl Exclusion Zone, Ukraine, December 15, 2025. Anatoly Doroshenko

Physics

The man who crawls into the perilous heart of the Chernobyl reactor

Ever since the Chernobyl nuclear reactor exploded in 1986, scientists have needed to monitor radioactive conditions inside. That job currently falls to Anatoly Doroshenko, who explains the dangers and importance of his work to 91av

Features

Chernobyl 2022

Physics

Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

Features

Dust rising from combine during crop harvesting, no-till technology professional occupation.

Environment

The Iran war is exposing the huge risks in our food system

Leader

Environment

Plug-in solar is coming – how dangerous is it and is it worth it?

News

The bombshell results that demand a new theory of the universe

Space

The bombshell results that demand a new theory of the universe

Features

Image from a MAYA collaboration numerical relativity simulation of a neutron star-black hole (NSBH) binary merger, showing the disruption of the neutron star. Credit: Deborah Ferguson (UT Austin), Bhavesh Khamesra (Georgia Tech), and Karan Jani (Vanderbilt University).

Space

A bizarre type of black hole could solve three cosmic mysteries in one

Features

Crisis in cosmology: If we’ve got dark energy wrong, what could it be?

Space

Crisis in cosmology: If we’ve got dark energy wrong, what could it be?

Features

Environment

Is geothermal energy on the cusp of a worldwide renaissance?

Analysis

It’s your perception of sleep that’s making you feel tired all day

Mind

It’s your perception of sleep that’s making you feel tired all day

Features

Physics

The mystery of nuclear 'magic numbers' has finally been resolved

A mathematical equivalent of a microscope with variable resolution has shed light on why some atoms are exceptionally stable, a riddle that has persisted in nuclear physics for decades

News

Environment

This state’s power prices are plummeting as it nears 100% renewables

News

Environment

Old EV batteries could meet most of China's energy storage needs

News

Video

Does dark energy stem from a thermodynamic theory of space-time?

Video

Physics

Chernobyl cooling systems have lost power but meltdown risk is low

News