For decades, the biggest obstacle to reaching Mars hasn’t just been the distance, but the grueling seven-to-nine-month journey astronauts would have to endure inside a cramped capsule while exposed to ...

Every time the Earth and Mars slow down enough to face each other from the same side of the sun, mission planners get a brief ...

A newly identified corridor, anchored to an asteroid’s orbit, may transform how scientists chart missions to the red planet — and reshape the future of human deep-space travel. For decades, a trip to ...

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 ...

Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to complete. And that's during a very specific orbital alignment that occurs once every two years ...