The rover Curiosity found sulfur crystals in a Martian rock for the first time. Researchers say they shouldn't be there and are seeking an explanation.
Meteor showers are unpredictable but nothing beats them for a fun and relaxing time under the stars. Here's our 10 tips to maximize your meteor viewing time.
Want to try to shoot photos of meteors with your camera? The first step is planning. The next step is to gather your equipment. Then on to the capture process.
A new understanding of the heights of magnetic fields in the sun's active regions will lead to precise space storm alerts and help protect technology on Earth.
Scientists identified Milwaukee and Washington, D.C., as US cities most vulnerable to space weather due to the connection of their transformers to the network.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.