Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define solar objects.

Located 2,500 to 3,800 light-years away in the Scorpius constellation, this nebula's unusual shape is a result of its central ...

The Gemini South telescope in Chile captured this stunning view of NGC 6302, highlighting the nebula’s intricate structure ...

For centuries, one of the biggest challenges in astronomy has been our planet’s atmosphere. While it helps distribute heat from the Sun and provides the pressure and oxygen we need to survive, it gets ...

Two unusual cosmic events happened in late 2025, fascinating people across the world. A rare interstellar comet called ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

In April 1990, a tin can the size of a school bus was dropped off 353 miles above the Earth’s surface. Its mission: Take clear pictures of the universe without interference from the planet’s ...