The Hubble Space Telescope image offers an up-close view of one section of the nebula, which is largely shaped by a young central star cluster called Dolidze 25, located outside of the image frame.

Ranging from September 2004 to December 2023, it spans multiple levels of the atmosphere from ground level up to the lower edge of space, about 110 kilometers above Earth's surface. The region ...

The X-15 is a legendary and pivotal part of aviation history. Designed to fly high and fast, it tested the limits of engineering and subjected pilots to conditions that future astronauts would face.

New research may shine a light on part of outer ... on the edge of our solar system. But while it has been accepted as a theory for over 70 years, it is so far away that we never been known ...