New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky ...

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...

Did the Sun once have a twin star, Nemesis? This lost sibling might have altered Earth’s fate by shaping comet paths, causing ...

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant galaxy. NASA's James Webb Space Telescope, history's largest and most ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

The atmosphere, a thin veil of molecules enveloping Earth, reaches about 20 miles (32 kilometers) above the planet's surface.

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

Find Sun Solar System stock video, 4K footage, and other HD footage from iStock. Get higher quality Sun Solar System content, for less—All of our 4K video clips are the same price as HD. Video Back ...

Scientists want to know if a tidal disruption event that exploded twice is the result of a star abandoning its binary partner ...