A star like the Sun lives modestly for billions of years, converting the nuclear fuel in its core into energy that ultimately escapes as light and heat. But the most spectacular phase of a Sun-like ...

Rising around midnight and nearly 50° high in the south two hours before sunrise is Orion the Hunter, one of autumn's premier constellations. As the season progresses, Orion will rise earlier and ...

Astronomy day 2025 is upon us! To celebrate, we've picked six targets to emphasize the variety and scale of objects visible ...

The universe is a slow-changing place. While it's mostly true that the heavens and the deep-sky objects in it will look ...

Cosmic dust, it turns out, isn’t made of miniature rocks. It’s fluff. A comprehensive analysis of data from space missions, ...

Some 3,000 light years away, shimmering layers of gas formed an almost perfect sphere around the faintly glowing, burned-out core of a dead star. The result looks like a giant crystal ball floating in ...

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

Scientists have uncovered the hidden core of one of our galaxy’s most spectacular phenomena, giving scientists a rare chance to see what may one day happen to our own sun. The James Webb Space ...

The Sun, a G2V main-sequence star approximately 4.6 billion years old, is currently undergoing hydrogen fusion. Stellar evolution, primarily determined by a star's mass, dictates that the Sun will ...

In fact, 2025’s final eclipse will be visible to just 16.6 million people — 0.2% of the world’s population — located across ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...