Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

"The lightsail will travel faster than any previous spacecraft, with potential to eventually open interstellar distances to ...

Amid mounting challenges to Colorado’s water supply, lawmakers are seeking to upgrade the decades-old method of tracking the ...

US president orders work on defence shield going beyond Ronald Reagan’s ‘Star Wars’ programme that could trigger nuclear arms ...

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

The idea of a lightsail comes from the fact that radiation pressure represents a mechanical pressure acting on a surface due ...

Like radar, but using light, lidar sends beams from a plane or satellite towards ... snowpack mapping with the National Aeronautics and Space Administration in 2013. From those efforts, Deems ...

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

China has unveiled a terrifying new weapon that could obliterate satellites with a Star Wars-style mega-beam. The ...

Since the researchers know that a lightsail in space would not always remain perpendicular to a laser source on Earth, they next angled the laser beam to mimic this and again measured the force ...