The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

With so many things flying around in the sky, it’s hard to tell what you’re seeing sometimes as stars, satellites and aircraft take up the night sky.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Ever gazed up at the stars and felt that magical awe wash over you? As cities grow brighter, it's becoming harder to ...