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 ...

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 ...

The stars in a binary can vary widely in mass, size, and brightness, and their interactions often shape their evolution in ...

These practical telescope accessories make great gifts for Dad — and they’re all priced to keep your budget intact.

The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

Researchers at the International Center for Radio Astronomy Research (ICRAR) made the discovery about galaxies by studying ...

It's a massive undertaking, but two men are hoping to turn much of eastern Ontario into a dark-sky preserve — and they're ...

Meteor showers, eclipses and full moons will appear in California skies this summer. Mark your calendars with these dates, stargazers.