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.

Blue Ghost will spend the next 16 days in lunar orbit, if all goes to plan. It will conduct additional engine burns to circularize its path around Earth's nearest neighbor, then attempt a landing in ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...