Back in 2023, scientists were perplexed by a mysterious seismic signal that shook the world every 90 seconds for nine days.

The effect is so predictable that researchers use ocean surface topography to map the ocean floor, according to Science magazine. Researchers study ocean surface topography using satellite-based ...

A satellite with a 40-foot extendable antenna has launched into space with a giant mission: to map all of the world’s forests — ecosystems that are crucial for absorbing carbon and slowing ...

DUBAI, United Arab Emirates — Egypt is building a wall and is leveling land near its border with the Gaza Strip ahead of a planned Israeli offensive targeting the border city of Rafah, satellite ...