The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life in the solar system.

A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.

In February 1995, a small research organization known as the SETI Institute launched what was then the most comprehensive ...