The European Space Agency is making use of spacecraft designed for Mars and Jupiter missions to track interstellar comet 3I/ATLAS as it continues its journey through our solar system. First spotted in ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

Millions of asteroids, not a planet, exist in the asteroid belt. The asteroid belt's total mass is only a small fraction of the Moon's mass. Meteorite analysis suggests the asteroids didn't originate ...

A thermal camera built at Arizona State University is on its way take readings on Europa, one of Jupiter's moons. To test the camera and its readings, the NASA mission detoured to Mars, relying on the ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.