May 2, 2025 was National Space Day, an occasion to reflect on the history of the American spaceflight program for all its triumphs and tragedies, as well as to pause and consider all of the ...

Working from computer screens in chilly rooms, the force has emerged as a vital part of America’s war machine amid increased competition from China and Russia. It looked more like a satellite ...

"We show that this design can, in principle, find half of all existing Earth-like planets orbiting sun-like stars within 30 light-years in less than three years." When you purchase through links on ...

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

When you put your hand out the window of a moving car, you feel a force pushing against you called drag. This force opposes a moving vehicle, and it’s part of the reason why your car naturally slows ...

Today, guardians go to space only in popular misconception, but tomorrow? There might be solid tactical reasons to put Space Force personnel in orbit, argues a new report from the Mitchell Institute ...