Scientists found a Martian meteorite on Earth that is finally filling in a nearly 2-billion-year-old geology-history gap on ...

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

Mars enters Cancer on August 11, trading force for feeling. Here’s what this transit means for how you fight for what you ...

A NASA image of Mars appears to show an eerie, jellyfish-like figure lurking in the distance.

Add Yahoo as a preferred source to see more of our stories on Google. An unassuming, brownish stone may be one of the most precious objects on Earth. The rare rock, called Teghaza 001, is a piece of ...

Mars is not an American frontier. It is a universal heritage site. The first human footprint on Martian soil must represent a species, not a flag. If we launch a crew without a global mandate, we risk ...

NASA is at the precipice of a new era of Mars exploration that will hopefully expand to a ubiquitous presence at the Red ...

Earth disappearing behind the tiny moon Phobos. Seen from nearly 195 million miles away, our planet was reduced to a single point of light before briefly vanishing behind Phobos. The rare alignment ...

For two nights, the moon will host a cosmic party with three planets – Mars, Saturn and Uranus – that will be visible in the US and beyond.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A rare dawn conjunction on Saturday, July 4, brings fourth ...

A rare 6-planet alignment peaks before sunrise Aug. 12. Here's when to watch the planet parade tonight and which planets ...