In 2025, astronomers revealed nearby exoplanets, a rare interstellar comet, possible biosignatures on Mars, and an ...

Before we share images from recent and ongoing missions, we look back at past missions—Mars Global Surveyor and Galileo. Then, we share an infrared view of the night sky showcasing new laser ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.