A dinosaur that is new to science has features of both subfamilies of the tyrannosaur group, complicating our understanding ...

We have long had a seemingly simple question about neutrinos: how much do they weigh? Now, a gigantic experiment in China is ...

El Niño has already raised sea levels in part of the eastern Pacific by 40 centimetres and as it continues to strengthen, ...

A row over when to publish crucial climate change assessments risks letting countries off the hook on emissions cuts ...

Northern bottlenose whales have stronger social bonds when they are starving or sick. This discovery was a surprise, because ...

The Drake equation provides a way to guess how many aliens we might be able to communicate with, but it’s also a prime ...

Useful quantum computers will have to use many “logical qubits” as their computational building blocks, and researchers just ...

Excavations in the Côa valley in Portugal, the world’s largest site of Palaeolithic open-air rock art, are yielding clues ...

Since 1972, officials have added 27 leap seconds to the universal clock, but in a meeting this week in France they have ...

The world hasn't experienced an El Niño this strong since the 1870s, when it sparked a terrible global famine. Are we better ...

A 75,000-year-old skeleton offers a glimpse into the violent world in which Neanderthals lived, but also offers hints that ...

A lab accident in the Irkutsk region of Siberia led to the death of a 28-year-old woman from pneumonic plague last week, according to reports from independent news outlets. Nearly 200 people who might ...