For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But ...

Using the European Southern Observatory's Very Large Telescope in Chile, astronomers have made detailed observations of the mysterious exoplanet ...

At the start of the year, the European Commission established the Cherenkov Telescope Array Observatory (CTAO) as a European ...

On Feb. 28, the one-day-old moon will pass in front of Mercury for observers in Australia and the south Pacific, and on March 1 the moon will make a close pass to Venus.

A nearly century-old offshoot of Einstein’s general theory of relativity may hold promise for solving the mysteries of dark ...