If you ask planetary astronomers where the solar system ends, they will say well past the planets, well past the bright band of the Kuiper Belt where Pluto resides, and still further to a shadowy ...

You can be moving at extraordinary speed and still feel completely stationary. The reason comes down to the difference between velocity and the changes in motion your body can actually detect.

This video shows our solar system moving through the galaxy. The view is from a hypothetical vantage of a typical interstellar object in the sun’s vicinity. Illustration via Tony Dunn at Orbit ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

During the Artemis II mission launched Wednesday, NASA will test out a pair of new solar radiation forecasts, developed at University of Michigan Engineering, designed to protect astronauts venturing ...