A 10-day trip to the ISS will cost you $55 million

Scientists find 'weird' objects hanging around the heart of our galaxy

Clouds of spinning diamonds linked to Milky Way mystery

The controversy behind the world's next great telescope

Mars is about to shine brighter than any time since 2003

NASA's New Horizon wakes up, prepares for New Year's Day flyby of 'Ultima Thule'

Moon causing days on Earth to get longer

Planet Nine may be an angry army of asteroids

How the moon's gravity influences Earth

What to see in the night sky in June

Planet or not, you can't discount the extraordinary beauty of Pluto

5 things you have to do differently in space