Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

As space exploration turns to the commercial sector, costs are coming down, but that doesn't mean that launching satellites ...

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, releasing energy in the process. This energy could heat the hydrogen and helium ...

The data suggest this small, super-hot world is shrouded in a thick layer of gas, likely hovering above a planet-wide ocean ...