Determining whether or not life exists on another planet is an extraordinarily complicated – and expensive – scientific endeavor.

Mars is the fourth planet from the Sun and one of our closest neighbors in space. But it’s not a very welcoming place for an Earthling to visit.

Methane gas in the atmosphere is a tantalising hint suggesting that life could exists on Mars.

Scientists preparing to land the Rosalind Franklin rover in a few years are nervously awaiting the landing of NASA's Perseverance rover.

New findings boost chances of finding life on Mars, but there are better candidates in the solar system.

Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.