North Korea has launched a new ICBM that showcases the country’s move toward use of powerful new projectile technologies.

Harvard astronomer Avi Loeb explores the question of why some early black holes are overly-massive, defying astronomer's expectations.

Interstellar: The Search for Extraterrestrial Life and Our Future Beyond Earth by Avi Loeb is out now (Hachette, £20). You can buy it from The Big Issue shop on Bookshop.org, which helps to support ...