For as long as rockets have existed, motion in space has come with a brutal tradeoff. To move forward, you throw mass ...
Tom Mueller built the rocket engines that gave Elon Musk outer space. Now, he's racing to create a fleet of cabs for the ...
To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...
Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with ...
An international consortium is developing the "FusPoB," which will be a vessel powered by compact nuclear fusion.
On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...
On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...
Abstract: Terahertz (THz) inverse synthetic aperture radar (ISAR) exhibits advantages in high-resolution imaging and all-weather space situational awareness (SSA) for space targets. However, ...
Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.
Half a century later, the world finally knows what happened to this steel behemoth.
The Pentagon on 22 May 2026 released a second trove of once-classified images and video footage of unexplained flying objects ...
Most conversations around the Advanced Medium Combat Aircraft (AMCA) program are in the realm of combat capabilities. When ...