A NASA spacecraft far from Earth has made an unexpected discovery, after turning its instruments towards a dark patch of sky ...

A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago.

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

This tunnel may link the solar system's home bubble with a neighboring ... This cavity of low-density gas was first suggested to explain background measurements of relatively low-energy, or ...

And tantalizingly, what they found suggests that our solar system may already be flooded ... a far more significant presence than the background level of gas and dust diffused throughout the ...