How a butterfly invasion minimizes genetic diversity

Until a few years ago, the butterfly known as the southern small white could barely be found north of the Alps. That was before a Europe-wide invasion that brought a huge increase in the insect's distribution—at the same ...

Could stars hotter than the sun still support life?

Although most potentially habitable worlds orbit red dwarf stars, we know larger and brighter stars can harbor life. One yellow dwarf star, for example, is known to have a planet teaming with life, perhaps even intelligent ...

Turbulent solar wind originates in the sun's corona, study shows

Solar wind is a never-ending stream of charged particles coming from the sun. Rather than a constant breeze, this wind is rather gusty. As solar wind particles travel through space, they interact with the sun's variable magnetic ...

Alternating currents for alternative computing with magnets

A new study conducted at the University of Vienna, the Max Planck Institute for Intelligent Systems in Stuttgart, and the Helmholtz Centers in Berlin and Dresden takes an important step in the challenge to miniaturize computing ...

Climate scientists sound alarm over Asia's rising seas

Immediate action is needed at all levels to protect communities in the Asia Pacific from sea levels that are rising significantly faster than the global average, say climate scientists ahead of the next key UN climate summit.

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