A Precision Test of General Relativity. While Einstein’s famous theory of general relativity accurately describes the motion of celestial bodies in our solar system, less is kno ...

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

According to a tenet scientists call the cosmological principle, our place in space is in no way exceptional. But recent ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the universe. Now, NASA’s James Webb Space Telescope has examined one ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

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

Looking at a distant galaxy means looking back in time.

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

Ultimate Star-Lord is referred to as Master of the Solar System ... Guardians of the Galaxy to her. Captain Marvel warns that they’ve seen the future of the Ultimate Universe, and it leads ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.