The idea of space-based solar power (SBSP) – using satellites to collect energy from the sun and “beam” it to collection points on Earth – has been around since at least the late 1960s. Despite its huge potential, the concept has not gained sufficient traction due to cost...
In the vast expanse of space, billions of miles away from Earth, lies Voyager 2, a spacecraft that has been on a remarkable journey since its launch in 1977. Last month an incorrect command sent from Earth caused the spacecraft's antenna to tilt away, severing the communication link...
Avi Loeb, a physicist from Harvard University in the US, has recovered 50 tiny spherical iron fragments from the bottom of the Pacific Ocean that he claims may be material from an interstellar alien spaceship. Loeb is linking his finding with the passage of a fireball in January...