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Black Holes

Black Holes

Supermassive Guardians of the Galaxies

A New Litmus Test for Chaos?

A New Litmus Test for Chaos?

The concept of "expansion entropy" could become a simple tool to identify chaos in a wide range of systems.

Assigning Value to Nature at the Federal Level

Assigning Value to Nature at the Federal Level

A Q&A with ecosystem ecologist Ariana Sutton-Grier.

Rosetta Sees Sinkholes on Comet 67P

Rosetta Sees Sinkholes on Comet 67P

Unprecedented imagery peers beneath the surface of comet 67P/Churyumov-Gerasimenko.

Stink Bugs Have Strong Taste for Ripe Fruit

Stink Bugs Have Strong Taste for Ripe Fruit

Limiting availability of mature fruit at key times of year could help control stink bug populations.