According to Michele Bannister, there are a myriad of these little worlds in our Solar System as of now. We simply cannot see them yet because we are not seeing faintly. The difference between that ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Comet C/2024 E1 has been photographed as it nears Earth - but even at its closest, it will still be 150 million kilometres ...

We know the main reason that the age of the dinosaurs came to an end: an asteroid impact on the Yucatán Peninsula some 66 million years ago. But how the dinosaurs’ reign began is far less clear—and ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to ...

NASA’s SPHEREx telescope observed a dramatic outburst from interstellar comet 3I/ATLAS after its October 2025 solar flyby.