Spica is the 15th brightest star in the sky and the brightest in the Virgo constellation. The star is also known as Alpha Virginis and is situated around 250 light-years from Earth. Spica is not a ...

The term "constellation" evokes several denotations. The most familiar is "a grouping of naked-eye stars sometimes connected ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies depicted here span a mind-bending range of distances. The objects in this ...

Take the owners of US power producer Calpine. They just agreed to sell to Constellation Energy for $16.4bn plus net debt, with the equity part made up of $4.5bn in cash and 50mn of the buyer’s ...