Climate: summer wildfires emit record amount of CO2

Wildfires in Siberia, North America and around the Mediterranean caused record levels of planet-warming CO2 emissions this summer, the EU's Earth monitoring service said Tuesday.

Astronaut geology bound for the moon

Finding and collecting the best lunar samples will be a major task for the next astronauts on the moon. ESA's Pangaea training campaign launches today to equip astronauts with a geologist's eye on the moon—humanity's next ...

Three new ultra-faint dwarf galaxies discovered

Using the Hubble Space Telescope (HST), astronomers have detected three new ultra-faint dwarf galaxies associated with the nearby spiral galaxy NGC 253. The newly found dwarfs turn out to be among the faintest systems so ...

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