Sound waves thought to be from a 2014 meteor fireball north of Papua New Guinea were almost certainly vibrations from a truck rumbling along a nearby road, new Johns Hopkins University–led research ...

What if our 3D printers and replicators could use raw dust and materials from the moon, Mars, or other celestial bodies as we venture off our world into the vast expanses around us? It’s akin to the ...

Scientists are hard at work considering what kinds of engineering alien probes would need to reach us through interstellar space. However, crossing deep space to reach Earth with a probe would require ...