The criteria for finding an Earth-like planet unofficially comes down to two things: water and the habitable zone. But a ...

Whenever humans arrive on Mars, they're going to find it a difficult place to exist. Mars is cold, with an average surface ...

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may ...

Venus and Jupiter dominate April's evening sky, while Mercury, Mars and Saturn linger in the dawn — here's how and when to ...

President Trump has previously expressed, “we will pursue our Manifest Destiny into the stars, launching American astronauts ...

Data from NASA landers showed that Mars's spin is speeding up. According to a new study, a gravity anomaly 1,200 kilometers ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

Early prototypes of the SpaceX Starship super-capsule that Italy is chartering to speed its spaceflight and biotech experiments to Mars (Marie D. De Jesús/Houston Chronicle via Getty Images) With its ...

Mars is a very dry planet with very little water in its atmosphere and hardly any clouds, so you might not expect it to have ...

NASA's Perseverance robot, depicted here landing on the Martian dunes, used its cutting-edge cameras to image what could be the first evidence of life ever detected ...

Data from NASA's InSight mission suggests the Red Planet's Tharsis region is more active than previously thought and may be ...