The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.

India’s coastal cities face an increasing risk of flooding, driven by a warming world and the now-frequent extreme weather ...

Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes.

The first expansion from a capacity of nine million passengers a year to 12 million was, eventually, given the go-ahead in ...