While the planets model shows the Earth orbiting the sun, this model shows the perspective from Earth: the sun circles the sky once per year as projected on the background of the stars. Botjes' ...

As part of ESA/Hubble's 35th anniversary celebrations, the European Space Agency (ESA) is sharing a new image series ...

Measuring light, known as the cosmic microwave background (CMB), that traveled ... and helium that later developed into the first stars and galaxies. The team, which includes researchers from ...