Editor in Chief Nancy Shute discusses existential threats to humankind: extreme heat, never-ending drought and a plan to provide Earth with sunlight on demand.

Space scientists aren’t so sure. As light travels from space to the ground, it scatters off molecules in the atmosphere, says ...

When AI agents hack real systems, the bigger issue may be the human choices that gave them access, autonomy and too few ...

As human-caused climate warming destabilizes high mountain regions, the threat of rock-ice avalanches and other glacial ...

Major hormonal milestones in women’s lives are usually associated with changes in brain volume — but a new study shows ...

For decades, researchers wondered if the Navier-Stokes equations, which describe fluid flow, break down. OpenAI put thousands ...

The anniversaries come and go, but the physical and mental health of workers and survivors is still being affected by ...

The XENONnT detector glimpsed the ethereal subatomic particles that are born from the main type of fusion reaction that ...

For 27 years, the Southwest has been gripped by a historic drought. Scientists think it might be here to stay.

AI safety monitoring can fail when an AI’s reasoning is the main clue that something has gone wrong, new research suggests.

In the upper right corner of his 1611 painting “Air,” Flemish artist Jan Brueghel the Elder drew a bat holding a songbird in ...

By studying chickadee cognition in the wild, researchers learned smarter birds stay smart in old age, produce more young and ...