Here is everything I saw with a smart telescope in a light-polluted city including galaxies, nebulas and star clusters.

Researchers David Messerschmitt, Ian Morrison, Thomas Mozdzen, and Philip Lubin imagined two scenarios for spacecraft traveling close to light speed. While such spacecraft do not yet exist, physics ...

Galaxies, planets, black holes: to most people, everything about our Universe sounds and feels enormous. But while it's true ...