Ghost rivers, hidden lakes: The long search for water on Mars Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

The rarely seen “ghost bridge” is usually covered by water, but is now visible from the Route 23 side of the reservoir. And despite signs warning people to “Keep Out,” the ghost bridge has ...

There’s nothing like a scary ghost story or a cliffhanging mystery to keep you on the edge of your seat. Both these forms of fiction are as popular today as they were when mass novel reading ...