Dear EarthTalk: It seems to me the single biggest potential “environmental” problem we could face—even bigger than global warming or a nuclear war—is a comet or asteroid striking the Earth. Do we ...

For centuries, space rocks have fascinated us. Space and its elements have always been mysterious. Astronomy is riddled with complex jargon that many of us don’t understand. However, we often keep ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either... Comets, asteroids, and planets: The likely origins ...

Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems. Gaël Chauvin (Max Planck Institute for Astronomy ...

Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites ...

Astronomers assemble! Here's your chance to help make better predictions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...