If you get up before twilight begins to paint the eastern sky, you might be able to spot Comet C/2025 A6 (Lemmon). It's ...

For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...