The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

Something strange is moving through our solar system — and it’s making headlines everywhere. The mysterious object, known as 3I/ATLAS, has become one of the most talked-about space mysteries in recent ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Interstellar objects like 3I/ATLAS are most likely to enter our solar system from two specific directions, a new study suggests. What does it mean for Earth? When you purchase through links on our ...

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Río Hurtado, Chile, announced the discovery of something truly spectacular: a mysterious object that appeared to ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and space weather.

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.