If you spied a fiery red star close to the full moon earlier this month, it was actually Mars shining its bright red light in the night sky. The planet will be visible at night throughout October, ...

The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from geologic processes or meteorites ...

Here's why these new results are so encouraging for scientists.

Organic compounds found in a Martian crater contain building blocks of life, according to a new study.