On March 21, 2025, U.S. President Donald Trump announced that Boeing would be awarded a contract valued at more than $20 billion to develop the F-47, a sixth-generation ...

A new prototype is laying claim to the title of smallest, lightest untethered flying robot. At less than a centimeter in ...

Many think that it is caused by waves existing in interstellar space ... The wall of fire outside the solar system is caused by electromagnetic EM radiation, which is created by plasma and *** local ...

Abstract: This paper will review the ways in which RF and microwave radiation may be used in the design of electric propulsion systems for spacecraft. RF power has been used or proposed in electric ...

The James Webb Space telescope has changed astronomy. It has revealed amazing new stars, galaxies and information about the Universe. This article contains everything you need to know about this ...

The first direct detection of gravitational waves, ripples in space-time caused by the movements of massive cosmic objects, a decade ago 1 marked the start of a new era in astronomy. Gravitational ...

A new patterned spintronic emitter enables room-temperature control of terahertz wave polarization.