The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

As the rover moved, it used a process known as ground penetrating radar (GPR) to map up to about 260 feet ... landing site in the distant past on Mars (left) and how long-term physical and chemical ...

A very rare treat is about to grace Earth's night skies.

Through out January and February six planets – Venus, Mars, Jupiter ... in Australia put cameras on sea lions' backs to help them map the elusive ocean floor. Scientists are preparing to ...