Get the latest Science News and Discoveries

Watch Delta IV Heavy rocket launch US spy satellite on penultimate mission early Thursday

None

Get the Android app

Or read this on Space.com

Read more on:

US

Photo of Satellite

Satellite

Photo of Rocket

Rocket

Related news:

Reusability efforts of European launch startups

TEMPO powers up – the first satellite to make hourly daytime observations of air quality over North America

How a radical redefinition of life could help us find aliens

« Farming destroyed UK rivers to meet food demand – here's how we fix it

In this lake, scientists found a spot like no other — and a record that could redefine our history of Earth »