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

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

Have you ever looked into the stars in the night sky and asked yourself questions like “What else is out there?” The universe ...

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

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

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

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

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.

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...