The 11-mile passage will be the world's longest road and rail tunnel, as well as the planet's longest immersed tunnel when it ...

An impressive new tunnel project, costing £6.4billion is being constructed for both rail and road transport to connect ...

Built on a limestone foundation, Valletta housed defense systems in deep tunnels during WWII that saved Malta and Allied ...

Quakes recorded for the first time inside Greenland's biggest frozen river, the Northeast Greenland Ice Stream, suggest this ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery ...

Despite making up more than 70% of the Earth's surface, seas and oceans are largely unknown to science. It is estimated that we do not know even half of what happens in the aquatic ...

A staggering €1.9 billion megatunnel is set to change the face of travel in Norway, cutting an 11-hour journey down to just 30 minutes.

The 17-mile underwater tunnel used by high-speed trains will be as deep as 1,558 feet below sea level, according to the ...

I like every type of train journey, from luxury long-distance trips to short, scenic jaunts on public transport. Here are my ...