NASA's technology-demonstrating Advanced Composite Solar Sail System (ACS3) has a bent boom in Earth orbit, a newly released photo shows. The ACS3 spacecraft launched April 23 to test key aspects ...

Your stride can be a handy way to measure room lengths. When measuring your stride in advance, lay a measuring tape on the floor and have someone else watch you walk at a normal, natural pace. You ...

We have gathered all the information for you in one convenient spot, but please keep in mind that these are subject to change. We do our best to keep everything updated, but something might be out of ...

With "Thousand Sails," China joins the race to fill up Low Earth Orbit with mega-satellite constellations. It's getting crowded up there in Low Earth orbit (LEO). By now, flocks of Starlinks have ...

A U.S. and a Canadian warship sailed through the sensitive Taiwan Strait together Sunday less than a week after China conducted a new round of war games around the island, with Beijing denouncing ...