NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have seen up close.

Should we say please and thank you to Siri and Alexa? Sure, it sounds a little nutty to extend courtesy to machines. We don’t say job well done to ...

Physics articles from across Nature Portfolio Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as ...