A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

In a groundbreaking discovery beyond Pluto, scientists have detected a small celestial body that could alter our perception ...

Another (and, in our view, more important) source of energy for life on Iceheim is the heat coming from its core, underneath ...

For decades, astronomers believed our Solar System was a typical model of how planetary systems should form. But recent discoveries are reshaping that view, revealing that our cosmic neighborhood may ...