Japan plans to launch the spacecraft Oct. 19, with arrival at Mars expected in August 2027.

The Earth got its moon when a small planet collided with our planet more than 4 billion years ago. This impact hurled molten ...

NASA's ambitions to send humans to Mars to get an up-close look at Earth's planetary neighbor are no secret. But did you know ...

The first mission to land on a moon of Mars could launch as soon as Oct. 19, carrying with it a sample collection instrument ...

Japan’s MMX mission will explore Phobos, one of Mars’s two mysterious moons, and attempt to return surface samples to Earth.

Humans love an origin story. And in space science, there is no greater question than why Earth is the vibrant, living planet we see today. As humans return to the heavens, understanding our planetary ...

From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or November at intervals of 100.5, 79, 25.5, and 79 years. During these events, Earth and the Moon ...

The notion of a moon base, fanciful as it might sound, isn’t new. But this year, under the leadership of Administrator Jared ...