Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...