Nasa’s Perseverance rover has detected underground remains of an ancient river delta on Mars, offering some of the strongest evidence that water...

Nasa’s Perseverance rover has detected underground remains of an ancient river delta on Mars, offering some of the strongest evidence that water...

New clues found underneath Jezero Crater. A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar...

Using ground-penetrating radar, NASA's Perseverance rover has detected underground remains of an ancient river delta on Mars in some of the oldest...

Using ground-penetrating radar, NASA's Perseverance rover has detected underground remains of an ancient river delta on Mars in some of the oldest...

Using ground-penetrating radar, NASA's Perseverance rover has detected underground remains of an ancient river delta on Mars.

NASA’s Curiosity Rover has discovered evidence on Mars that suggests underground water once existed in a...

NASA’s Curiosity Rover has discovered evidence on Mars that suggests underground water once existed in a...

This animation looks beneath the ocean surface to reveal the oceanic processes that led to the 1997/98 El Nino. Credit: Stuart Ramsden (NCI)

This animation looks beneath the ocean surface to reveal the oceanic processes that led to the 1997/98 El Nino. Credit: Stuart Ramsden (NCI)