High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...

Scientists say a massive 2022 volcano eruption may have helped break down methane, offering new clues in the fight against ...

Nuclear war is much more unpredictable than asteroids, but, unlike the dinosaurs of 66 million years ago, humans can avoid causing their own extinction.

As Elon Musk's SpaceX works toward its first Starship launch of 2026, here's a look back at all the previous test flights between 2023 and 2025.

Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early ...

When atmospheric chemists Paul Crutzen and John Birks added smoke into their computer models of nuclear war scenarios, they ...

President Donald Trump's trip to China may not come with the same fanfare that accompanied his first-term visit.

EXCLUSIVE: Sundance Institute has named the 10 fellows and eight projects set for its 2026 Episodic Lab, taking place at ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from ...

In 1883, Krakatoa unleashed one of the most violent eruptions in human history. The explosion was so powerful it was heard ...

Researchers in Japan traced a hidden medieval solar storm using ancient tree rings and centuries-old sky observations. The ...