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

Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

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

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

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

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

Each year, researchers make new observations and revisit old data that redefines what we know about how Earth, the solar system, galaxy, heck—the whole universe—came to be. From stunning ...

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

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 of the universe, others right here on Earth.

The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant ...

Space photos remind us that, around every corner of our vast universe, something spectacular ... humanity's first landing on a moon in the outer solar system when it touched down on Titan.