At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Learn about the closest black hole from Earth, Gaia BH1. This recently discovered black hole is dormant, but it’s only 1,600 ...

The mysterious interstellar object 3I/Atlas will pass by Earth on October 29, and scientists explain what it means and whether it’s safe.

Sci-fi movies and TV shows love to place a planet inside a binary system. In reality, a planet shouldn’t be able go around ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

NASA scientists have detected traces of water on the mysterious interstellar object 3I/Atlas, sparking new discussions about the possibility of life elsewhere in the universe.

Water discoveries in space happen all the time. But this one’s actually a big deal, and not just because some scientists got ...

For most of its journey 3I/ATLAS has been frozen solid, but the warming rays of our Sun are enough to unfreeze some of its gases such as carbon dioxide, generating a faint cometary tail. For a period ...

This statement might sound like a line from a sci-fi movie, but what if life on Earth didn’t start here at all? For decades, ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...