Powered by the largest digital camera ever built, Rubin Observatory has taken its first images—millions of stars and galaxies ...

The telescope has the largest digital camera ever made. It’s so precise that one image alone contains 10 million galaxies.

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from ...

Aotearoa New Zealand officially celebrates Matariki for the fourth time, marked by the reappearance in the night sky of the ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between the moon and Mars.

9 night sky events to see in June, from a strawberry moon to interstellar clouds. This month's night sky is filled with close-range meteors, swirling nebulas, and prime stargazing conditions.

The starry night sky is a marvel but a dwindling one. On average skies are getting 10% brighter each year from increasing light pollution, defined as the excessive use of artificial light that can ...

Astronomers have watched a massive star vanish in the night sky, only to be replaced by a black hole. The supergiant star M31-2014-DS1, ...

During the day, the sky is so bright from this light that no stars (well, except the sun) can be seen. They’re too faint. At night, after the sun sets and its scattered light diminishes, the sky ...

Known as the “dog star” for its place amid the constellation Canis Major, Sirius is the brightest star in the night sky. The vivid star is one of the nearest to Earth, at just 8.6 light-years ...

Apparent Magnitude: +0.03, the sixth brightest star in the night sky. Distance: Approximately 25 light-years away from Earth. Type: A0V main-sequence star, one of the hottest among bright stars.

You could get extremely lucky and notice one as it vanishes from the night sky, but in all likelihood if you see the light as it was sent out up to 4,000 years ago, the star is likely there today.