Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear ...

When I came down with a cold the day after I saw the third and latest “Avatar” film, “Fire and Ash,” I half-wondered if I had ...

Mark Medley is The Globe and Mail’s Deputy Opinion Editor. He is the author of Live to See the Day: Impossible Goals, ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

On record 2025 as one of the most amazing years in contemporary astronomy, providing findings that would turn our collective ...

I/ATLAS is not unique, in the sense that there could be billions and trillions of such objects in the Milky Way. In fact, ...

In the late 1950s, Project Orion proposed using controlled nuclear explosions to propel massive spacecraft at unprecedented speeds. From city-sized starships to a 44-year journey to Alpha Centauri, ...

China's SpaceX rival, LandSpace, suffered a dramatic rocket failure during a reusability test, highlighting the risks in the ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

In 2025, astronomers revealed nearby exoplanets, a rare interstellar comet, possible biosignatures on Mars, and an ...