The comet 3I/ATLAS is taking a long holiday journey this year. It’s visiting from another solar system altogether. Those ...

A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

When you hear the word comet, you might imagine a bright streak moving across the sky. You may have a family member who saw a comet before you were born, or you may have seen one yourself when comet ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

Understanding how life survives in extreme Earth environments could point to ways life can survive on other worlds. Astrobiologist Morgan Cable talks to host Emily Kwong about how her missions here on ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

From an early age, we are taught to understand that the planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?