Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the univer ...

How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. Expansion and dark energy may tear it apart. Or, a phas ...

How does light escape from the sun? We take a journey from the center of the sun, following the path of light. We witness its fiery birth from in the core, its 430,000 mi ...

On Earth, violent and destructive storms create new opportunities for life. In our quest to discover if we are alone in the universe, we shouldn't just look for worlds, w ...

Scientists are discovering volcanoes on worlds we once thought dead. From our nearest planetary neighbour to tiny moons billions of miles away, today we are discovering v ...

Stars are not eternal; they are dying in unimaginably large explosions called supernovas. Second only to the Big Bang, these explosions are where creation and destruction ...

Human civilization is under attack from a catastrophic--but unseen--threat from space. A supermassive black hole is moving toward Earth at almost the speed of light. As t ...

The most extreme stars in our universe could be the key to understanding life in the cosmos. These monster stars are among the oldest in the universe, and can be hundreds ...

Scientists believe that there is an undiscovered massive planet lurking at the edge of our solar system. Join researchers as they hunt for this mysterious world, an inves ...

Recent discoveries by NASA's Juno mission reveal new secrets about Jupiter, a strange world that is more like a star than a planet. As scientists uncover what lies beneat ...

The genius of Einstein's theory of relativity was the first evidence that black holes might exist, but scientists still do not know what really happens inside of one. Fol ...