A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

This article investigates the design and stability analysis of the interval type-2 (IT2) sampled-data (SD) fuzzy-model-based (FMB) control system with the optimal guaranteed cost performance. An IT2 ...