"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...

Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To ...

A new proposal uses an electron beam fired from a stable platform near the Sun, which could push a 1,000 kg spacecraft for up to 100 AU (100 times the distance from the Sun to the Earth).