Avi Loeb has emphasised the need for humans to embark on interstellar expeditions, as we face a race against the clock to set ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard Feynman’s quote its sting: “There is a silence in the night sky that has bothered ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” Richard Feynman’s reflection lingers because it feels personal. The stars look crowded. Common sense whispers ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...