Atmospheric helium levels are rising, research confirms

Scientists at Scripps Institution of Oceanography at UC San Diego used an unprecedented technique to detect that levels of helium are rising in the atmosphere, resolving an issue that has lingered among atmospheric chemists ...

Why nuclear could become the next 'fossil' fuel

A gray dinosaur statue outside south Florida's largest power plant is meant to symbolize two decommissioned fossil fuel reactors, but it also could be seen to represent a nuclear industry crumpling under mounting costs.

Space submarines will allow us to explore the seas of icy moons

One of the most profound and exciting breakthroughs in planetary science in the last two decades has been the discovery of liquid methane lakes on the surface of Saturn's largest moon Titan, and liquid oceans under the icy ...

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