Researchers from Tuskegee University, Alabama, have developed a new photonic crystal (a kind of ...

Most space missions rely on chemical rockets for propulsion. Rockets must carry fuel, which increases spacecraft mass and limits their speed and travel distance. For decades, researchers have explored ...

With the recent activity surrounding experimentation with a new Laser rig and widespread speculation, many Laser sailors are left with a flurry of questions: Will I have to shell out big bucks for a ...

Diffraction gratings could allow laser-sailing craft to hold the line. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

(Inside Science) — In long distance space travel, traditional rockets would eventually run out of fuel. There is an alternative: Since as early as the 19 th century, scientists have dreamed of ...