SpaceX's Starlink satellites now make up 40% of reentering satellite debris. But is Elon Musk's space company the worst ...

Modern astronomy has clung to the belief that the relativistic outflows or jets, responsible for the existence of ...

Destructive land use, mismanagement and climate change are fueling a water disaster set to wreak havoc on economies and lives ...

Richard Branson is going back to his balloon roots.

The success of SpaceX’s massive new space vehicle promises a host of new projects, including the colonisation of Mars ...

Scientists have found problems with the Earth's natural defences against climate change. SUBTITLES Find full subtitles for ...