Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that ...
1hon MSN
How astronomers plan to detect the signatures of alien life in the atmospheres of distant planets
We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...
Gas and dust flowing from stars can, under the right conditions, clash with a star's surroundings and create a shock wave.
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