A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to less than a year. Eric Lagatta, USA TODAY Updated Thu, 7 May 2026 at 3:05 pm UTC 3 min read Add Yahoo as a preferred source to see more of our stories on Google. Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to co... [5037 chars]