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How many Earth-sized planets fit inside the solar system’s giants?

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...
National Academy of Sciences

Building Blocks of the Solar System: A Conversation with Meenakshi Wadhwa on Asteroid Day

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...

Where might we find life in our solar system?

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

Earth Could Survive the Sun’s Bloated Death Stage, But There’s a Catch

The star’s looming death will dramatically reshape the inner solar system, engulfing Mercury and Venus in a fiery sphere. The ...

Good News! Turns Out the Earth Will Never Be Swallowed by the Sun

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

NASA's New Horizons Is Mapping the Invisible Border of Our Solar System

NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...
EcoPortal.net

Two enormous planets once roamed our young solar system alongside Earth, then vanished without a trace and left Uranus’ moons permanently scarred

Two massive planets may have once existed in early solar system before being ejected, leaving behind evidence in unusual ...

New Horizons watches the solar wind as it slows down

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

These nearly invisible crystals could rewrite what we know about the early Solar System

Moon impact 3.5 billion years ago reveals hidden Solar System history through tiny mineral grains. The discovery shows asteroid bombardment continued long after the Late Heavy Bombardment period.