Astronomers have spotted two planets forming around a distant infant star, offering a time capsule into see what the ancient ...

For eons, our solar system has been a relatively stable environment, with planets orbiting the Sun in predictable paths. However, the vastness of space means that occasionally, other stars come close ...

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s distant ...

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 ...