NASA Mars spacecraft reveals a more dynamic Red Planet

NASA's Mars Reconnaissance Orbiter has revealed to scientists slender dark markings -- possibly due to salty water – that advance seasonally down slopes surprisingly close to the Martian equator.

Google tests live updates for search

Google is testing what it calls 'streaming' search, where results change with every letter typed.

Porsche launches Spyder hybrid concept car

Porsche has introduced a low-emission hybrid "concept" sports car that is capable of accelerating from 0 to 100 km/h in just under 3.2 seconds.