IFLScience on MSN

Only two spacecraft have breached the solar system’s edge – now we're about to find out its true shape

The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called the heliosphere, where particles released by the Sun dominate. Beyond it, the ...
Today In The Space World on MSN

The cosmic clock of the solar system: How angular momentum shaped planetary orbits and regular moons

Explore the story of our solar system’s formation, tracing how a vast cloud of gas and dust collapsed under gravity, collisions, and angular momentum to create a thin, spinning protolanetary disc.