Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

What would happen if Jupiter’s moons scattered? Explore the orbital chaos and potential collisions caused by displaced moons.

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was ...

Object is just the third known visitor from another solar system – and has prompted speculation about whether it might be an ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

When comet 3I/ATLAS was first spotted streaking across the sky in July 2025, it looked like another fleeting astronomical ...

In 1986, Romanian geologist Cristian Lascu discovered Movile Cave near Mangalia, Romania—a place that has remained completely ...