Boston College scientists have determined that a newly discovered meteorite from Mars is 1.27 billion years old and derived ...

Somewhere right now, in a conference room full of planetary scientists, an argument is quietly raging. On one side: the Mars ...

How will life on Earth end? The answer, of course, is unknown, but two new studies suggest a collision with Mercury or Mars could doom life long before the Sun swells into a red giant and bakes the ...

Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our solar system that could support life in some form.