Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

Voyager 1 is on a journey that will outlast civilizations, outlive the Sun’s familiar neighborhood, and eventually drift into regions of space no human made object has ever reached. It is moving ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

A nearby 'super‑Earth' just 25 light years from our solar system has been recategorised as a lighter, likely rocky world ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with the theme. The paper, published in The Astronomical Journal, describes them ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Time works differently in space and on other planets, so the decade-plus that Alien Isolation fans have been waiting for the sequel might have felt like a blink of an eye on a different world. On ...

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.