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Fritz Zwicky decoded how exploding stars fill space with cosmic rays.

The rise and fall of the claustrum epitomizes the hunt for consciousness in the brain.

Exploring Howard Nemerov’s poem, “Learning the Trees.”

For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.

Physicists have long searched for hypothesized dark matter particles called WIMPs. Now, focus may be shifting to the axion — an ultra-lightweight particle whose existence would solve two mysteries at once.

Experiments on snails and other creatures raise questions about how memories are really stored.

Avi Loeb has a lot of thoughts about aliens and scientific prejudice.

Maybe energy can be created and destroyed, or maybe the notion doesn’t quite make sense.