LMC S154 is a symbiotic recurrent nova, study suggests

Astronomers have conducted observations of a symbiotic star in the Large Magellanic Cloud (LMC), known as LMC S154, which provide new insights about the nature of this object. Results of these observations, presented in a ...

Solar variability weakens the Walker cell

An international team of researchers from United Kingdom, Denmark, and Germany has found robust evidence for signatures of the 11-year sunspot cycle in the tropical Pacific. They analyzed historical time series of pressure, ...

First worldwide view of a key phytoplankton proxy

From vast, swirling blooms to minuscule populations, photosynthetic phytoplankton drifting near the surface of the ocean are often captured in snapshots from chlorophyll-detecting satellites. However, phytoplankton at greater ...