It’s often assumed that Earth is somehow separate from the rest of the universe. Yet changes in environments across the solar ...

Sky's technology reporter Mickey Carroll explores why keeping time in space is so critical for modern life on Earth.

The International Space Station is one of the most remarkable achievements of the modern age. It is the largest, most complex ...

Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and steadily began to ...

Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch ...

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

It means that for astronauts on the ISS, there’s no talk of “spring forward” and “fall back” in March and November, ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...