Ozone layer: how the hole was plugged

In rare good news for the environment, a UN report confirmed Monday that the hole in the ozone layer that had been threatening Earth since the 1980s is shrinking.

Hubble's sparkling new view of the Carina Nebula

This sparkling new image depicts a small section of the Carina Nebula, one of the NASA Hubble Space Telescope's most-imaged objects. The Carina Nebula, NGC 3372, is an enormous cloud of gas and dust home to several massive ...

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