Dennis Hollier

Dennis Hollier is a science writer and incrementalist, trying to make sense of the world one story at a time.

The Subaru Telescope in Hawaii is an early tester of advanced new detectors for astronomy.

The First Photograph of Another Earth

Astronomers are working today on the camera that will see habitable planets in other solar systems.

Can we really grasp Mars on Earth? In Vincent Fournier’s 2008 photograph of Utah’s San Rafael Swell, a visitor to Mars Desert Research Station #4 tries.

Mars Fakers

Can we learn anything by pretending?

Surrounded by limestone hills and hours from the closest highway, FAST took more than seven years to build, through mostly manual labor; the narrow, treacherous roads to the site kept heavy equipment from reaching it.

China Now Has the World’s Biggest Radio Dish

The 500-meter telescope will be dedicated to astronomical research and SETI.

On Mauna Kea, a giant new telescope poses a threat to two cultures: Hawaiians and astronomers.

Big Glass and the Age of New Astronomy

The fight to put a monster telescope on Mauna Kea is part of a bigger war looming among astronomers.

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