Teton County is the world's first county to be certified as a Dark Sky Place, including the Jackson Hole Airport. A decade of volunteer and legislative efforts show that broader municipalities can ...

Black holes are usually found in the centre of galaxies – but which one comes first is your best guess (Picture: Getty Images/Science Photo Libra) As you look up towards the light-polluted sky ...

Here’s how it works. A SpaceX rocket recently punched a hole in Earth's upper atmosphere while venturing into space, leaving behind a blood-red streak of light in the sky similar to an aurora.

These explosions, called extreme nuclear transients, shine for longer than typical supernovas and get 30 to 1,000 times as bright.

Some spectacular-looking holes seen in the sky above Alabama Monday night had some people wondering if, perhaps, they were witnessing the start of an alien invasion. No - at least not yet.

It is a black hole with a mass of 17 billion Suns ... on the celestial sphere – a way of projecting the objects in the sky onto the inside of a sphere. It is a type of object called a quasar.

Protecting the night sky requires effort from all of us and we appreciate how the Jackson Hole Airport has embraced this work.” What is astrotourism? Why travelers are exploring dark skies Need ...

shot out of the galaxy by a central black hole. This high-powered stream of material is about 50 times larger than the galaxy: if our eyes could see it in the night sky, it would be bigger than ...

More: Former U.P. resident helps detect colliding black holes in space Tsuchinshan-ATLAS ... the bright planet Venus as they rise in the night sky, and should be between them by Monday.