Learn how the existence of dark energy is being challenged due to new evidence that the expanding universe is actually "lumpy ...

According to astrophysicists, the Universe will evolve over time into a homogeneous soup where nothing ever happens.

Some space images have become timeless icons of our exploration of the cosmos. Take the famous photo of the Pillars of ...

A groundbreaking discovery by an international team of astronomers has revealed a completely new class of cosmic X-ray ...