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

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 ...

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the ...

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

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 ...

Stargazing begins by simply looking up, but these gadgets go a long way in unlocking the mysteries of the night sky. Get more ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest objects ever detected in space. The arc was discovered near the galaxy cluster ...

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

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 ...

A serendipitous solar outburst let scientists point the robot’s cameras toward the Red Planet’s sky to spot a feature shared ...

Visible for some five hours after sunset is Mars, making its way through Cancer. Shining at 1st magnitude, this ruddy point ...