How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

With 'Project Hail Mary' opening in theaters, here are several essential films that explore the strange, high-stakes ...

What if humanity never needed to colonize Mars or the Moon? O’Neill cylinders propose a completely different future—giant rotating habitats in space that simulate gravity and support entire ecosystems ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

Humans did not evolve for space. Ironically, because we insist on going there anyway, scientists now know from studying ...

Two planets crashed into one another in a violent, chaotic collision that astronomers recently witnessed 11,000 light-years away from Earth.

Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that direction depends on where you are.

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

The newly identified objects are small, distant moons, likely only a few kilometers across, and belong to a class known as ...

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...