Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

Understanding how to explore hidden glaciers on Mars begins not in a laboratory, but in remote field camps across Alaska and Wyoming.

The recent Artemis II mission gave four astronauts a one-of-a-kind perspective on Earth, and their photos show just how small ...

Scientists have found that the crust beneath East Africa’s Turkana Rift is thinning to a critical point, signaling that the ...

Researchers including a number from the University of Exeter, have identified the most urgent unanswered questions about ...

Millions of people around the world will pause, at least for a moment, to mark Earth Day. The annual event is Wednesday.

The ion tail appeared as Comet C/2025 R3 PanSTARRS was about 45 million miles from Earth (72 million kilometers) during its ...