Astronomy & space exploration


Stephen Hawking publishes A Brief History of Time

In A Brief History of Time, Hawking writes in non-technical terms about the structure, origin, development and eventual fate of the universe, which is the object of study of astronomy and modern physics.

800px Mir Space Station viewed from Endeavour during STS 89

USSR launches Mir Space Station

Mir was the first modular space station and was assembled in orbit from 1986 to 1996. It had a greater mass than any previous spacecraft.

Change milestones from around the world

Good news for climate, justice, democracy, and more