The Italian Space Agency has picked European company Blue Skies Space to build a fleet of satellites around the moon to map ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

the airwaves should be quiet enough to pick up the fainter cosmic radio signals. If the satellites can detect the signals, researchers can use them to map the universe's early days. "We are ...