Nasa’s new ‘megarocket’ set for critical tests
The agency's Moon rocket is entering the final stages of testing ahead of its maiden flight in 2021.
Category Archives: Computers
Fact-checking the US and China on climate and environment
We fact-check US and Chinese claims about CO2 emissions, plastic waste and illegal timber.
Europe moves ahead with Ariel exoplanet mission
The green light is given to the near-billion-euro space observatory that will study far-off worlds.