A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the key tests of our cosmological understanding. A research team led by ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.