A SpaceX Falcon 9 rocket lifted off from Vandenberg Space Force Base this evening (June 4), carrying 27 Starlink satellites for the company's growing wireless internet constellation.

When an international crew of astronauts launch on a commercial space mission, they will be joined by a स्वैन, a łabędź or a hattyú. Or, in English, a swan.

The lander won't be visible from Earth, but its landing site on Mare Frigoris will be.

A giant exoplanet is surprisingly chill given how close it is to its red dwarf star — perhaps because the star is so little.

A satellite from the European Space Agency captured huge plumes of ash and smoke from Europe's largest volcano.

The discovery of a metal-rich star packed with both light and heavy elements hints at exotic stellar explosions and the role of ancient dwarf galaxies in seeding the cosmos with uranium and thorium.