Telescopes Allow Visual Time Travel . It may sound like science fiction, but I'm not exaggerating when I say that telescopes ...

The 100 kW high-thrust magnetoplasmadynamic thruster they tested is poised to pave the way for future space travel ... which is then accelerated by an electromagnetic field to form a high-speed ...

When it comes to space travel, Albert Einstein's theory of relativity is a major inconvenience. With the laws of physics (currently) prohibiting faster-than-light travel, velocities are limited to ...

Space Force is looking to expand its offensive capabilities with directed-energy lasers, jamming systems and more traditional ...

DARPA's AtmoSense program uses Earth's atmosphere as a global sensor to detect disturbances like underground explosions and ...

Most of these effects cleared up within a few months, but not all — underscoring the potential health hazards of space travel, many of which are unknown. Now, concerns about how space affects ...

Here is an explanation of some of the effects on human health of space travel. The human body evolved over millions of years to function optimally in Earth’s environment, which includes its ...

For instance, the European Space Agency is currently working to make space travel more accessible for people of a wide range of backgrounds and abilities. In this new era, the first footprint on ...

Last year, CNN reported on Russia’s effort to develop a space-based nuclear weapon that would use a massive energy wave, known as an electromagnetic pulse, to potentially knock out a large swath ...

But despite their far-flung destination, and the danger and romance of space travel, when it comes to pay, Ms. Williams and Mr. Wilmore are treated effectively like any other government employee ...