The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet ...

Sci-fi is a genre filled with hidden gems, but a Tim Burton classic that failed upon release is finally getting the attention ...

The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the search for extraterrestrial organisms on Mars and beyond.

Space X’s IPO filing laid out a bonus structure that was dependent on the Elon Musk’s ability to take mankind to mars.

Using data from NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) mission, scientists identified the Zwan-Wolf effect in Mars’ atmosphere. The phenomenon is known to occur ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Mars Curiosity rover has been exploring a curious geological formation made up of ridges that look like spiderwebs from ...

It sounded like the former president was having an X-Files moment. Asked on a podcast whether aliens were real, Barack Obama replied with Fox Mulder certainty. "They're real, but I haven't seen them," ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? The ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.