People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

This NASA/ESA Hubble Space Telescope image offers us the chance to see a distant galaxy now some 19.5 billion light-years ...

These dark sky sanctuaries, reserves, parks, and trails invite you to immerse yourself in the wonders of our night skies.

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

The clue to the central star's nomadic past comes in the form of a distinct bow shock observed adjacent to the star — a telltale sign the star is plowing through the nebula, compressing gas and dust ...

Chief Shekhar Gupta, the legendary astrophysicist who died Tuesday explained his thoughts on Big Bang & how curiosity keeps a ...

So try to avoid them. Rod cells are much more sensitive to blue light and are least affected by the wavelength of a dim red light. Red lights do not significantly impair night vision if proper ...

Southeastern Utah state and national parks will host the the fourth annual Astrofest in mid-June, highlighting the beauty of ...

Twice per year, New Yorkers and visitors are treated to a phenomenon known as Manhattanhenge, when the setting sun aligns ...

The remote-imaging system (left) shoots eight infrared laser beams (red line added to show the path) at a target (right) in a building 1.36 km away. Light reflecting off the target is collected by the ...

In a Universe that was only 700 million years old, long before Earth even formed, something unexpected happened. A massive ...