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 ...

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 ...

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

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

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

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for ...

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

The alien light show — snapped after the Red Planet was battered by a powerful solar storm last year — is not as visually ...

A red alert has been issued for the Northern Lights amid serious coronal mass ejections from the sun hitting the Earth's atmosphere. Aurorawatch UK issued the notice with it likely to be visible ...