I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

Data from the Kepler project has confirmed a new world that fulfills the telescope's goal of locating Earth-sized planets ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

NASA’s search for Earth-like planets has accelerated rapidly over the past decade, revealing thousands of distant worlds beyond our solar system. With discoveries from the Kepler Space Telescope and ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...