The first-ever close-up of an extragalactic star looks different than expected and might give a view of what stars look like at the end of their lives.

Phobos and Deimos could have formed from asteroid debris, a new study suggests. An upcoming sample return mission will help test the idea.

Every single Atlantic hurricane in 2024 had wind speeds supercharged by warming seas. One even jumped two categories of intensity.

If future AI models are trained on AI-generated content, they could end up producing more bias and nonsense, researchers caution.