From stargazing tents and meteor-watching camp chairs to solar eclipse glasses to smart telescopes, here’s the gear worth ...

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

Astronomers have spotted helium escaping from LHS 1140b, an exoplanet orbiting in its star’s ‘habitable zone’.

The universe doesn’t revolve around Kitt Peak, but the observatory southwest of Tucson is at the center of what could be the biggest breakthrough in the study of the cosmos in decades. Using an ...

Hydrogen can react with other chemicals, and both it and helium can be lost to space. Venus, Earth, and Mars are thought to ...

In a major boost to the search for life, Harvard astronomers have detected an atmosphere around a habitable-zone, Earth-like ...