Solar System

Planets  Credit: NASA

Planet Nine: What Would It Mean?

It could be the first new planet discovered in the last 170 years -- or at least the last 85, if you're one of those stubborn folk who still insist on calling Pluto a planet.
Liquid on Mars

Liquid Water on Mars is Big News

Water on Mars?  It’s an old story from the Red Planet, and the facts is that landers have frequently found water in the form of ice just below the surface.

The Meaning of NASA’s Announcement: More Profound Than You Think

NASA just announced that Mars Reconnaissance Orbiter data showing recurring

Saturn's Moon Enceladus Hosts a Global Ocean

MOUNTAIN VIEW — Every square inch of Saturn’s small moon Enceladus overlies a potentially habitable ocean.

Pluto in Sight

It takes a village to pull off a decade-long mission to the outer pickets of the Solar System.
AAAS 2015 Annual Meeting

Should We Broadcast? And What If We Find Life in the Solar System?

Experts will be discussing the merits and concerns of so-called Active SETI as well as the societal implications of searching for life in the solar system during the annual meeting of the American Association for the Advancement of Science (AAAS)
Gold Rush Meteorite Fragments

Treasure in Gold Rush Meteorite

SETI Institute meteor astronomer Peter Jenniskens found one of the first and one of the most unusual of the Sutter's Mill meteorites that fell on April 22nd, 2012 in California's Gold Country.

Moonlets Created and Destroyed in a Ring of Saturn

MOUNTAIN VIEW – There is an ongoing drama in the Saturnian ring system that causes small moons to be born and then destroyed on time scales that are but an eyeblink in the history of the solar system.  SETI Institute scientists Robert French and 
Novato Meteorite

Bay Area Meteorite's Long History

On October 17, 2012, a meteor streaked through the skies above the San Francisco Bay Area.  SETI Institute astronomer Peter Jenniskens, analyzing imagery captured by the NASA CAMS (Cameras for Allsky Meteor
Nathalie Cabrol exploring in the Andes. Image credit: Nathalie Cabrol

Scientist Interview - Nathalie Cabrol

Nathalie Cabrol is a planetary scientist, an explorer, and a leader of research projects in astrobiology and extreme terrestrial environments, planetary missions, and robotics.