Somewhere in the distant universe, a supermassive black hole that had gone quiet for millions of years has switched back on.

A striking new image of the Whirlpool Galaxy is helping astronomers solve one of the biggest mysteries in star formation.

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Newton’s Law of Gravity just survived its biggest cosmic test. Scientists studied nearly 686,000 galaxies spread across 7 ...

In a world that often measures itself in days, years, decades and centuries, a second seems insignificant. But a lot can happen in an instant. It takes a lightning bolt just 30 microseconds to strike ...

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10 supernova explosions have been seen brightening the Fireworks Galaxy over the past century. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A selection of celestial photographs will be on the display in the Santa Cruz Museum of Art and History’s atrium starting ...

Astrophotographer Greg Meyer took aim at the constellation Corvus to capture a majestic view of the Antennae Galaxies, whose once spiral forms have been rendered chaotic as they merge into a single ...