The optical illusion occurs because people are used to interpreting shadows as coming from an overhead light source. But that's not necessarily the orientation of spacecraft. In many satellite photos, ...

Taken by NASA's Perseverance Mars rover, onlookers noticed a particular dust looming in the background. We'll take a closer look at what that was all about and the complexities behind the photo. We're ...

The Northern Lights (aurora borealis) may be seen in northern U.S. states this Friday, with forecasts saying a minor ...

Giant, dense structures have been detected deep beneath thesurface of Mars, stirring both curiosity and excitement among ...