The Space Development Agency awarded $3.5 billion in contracts this month for 72 missile tracking satellites designed to detect hypersonic threats from low Earth orbit, signaling the Pentagon's pivot ...

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

Since the start of the 14th Five-Year Plan (2021-25) period, China has accelerated renewable energy development in barren ...

Harvard's Avi Loeb warns that interstellar comet 3I/ATLAS defies standard physics, raising the stakes for planetary defence ...

Abstract: This research focuses on utilising solar power to drive robotic systems, reducing dependency on conventional energy sources and minimising environmental impact. The robotic arm is designed ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

NORAD, the North American Aerospace Defense Command, tracks Santa's Christmas Eve flight around the world each year. Follow a ...

Abstract: This paper deals with the kinematic calibration of a two-axis over-constrained solar tracker. In an over-constrained mechanism, it is difficult to derive ...