A tremendously large cloud that blocked the light from a distant star has been found to consist of swirling winds of ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

Remembered as a pioneering atmospheric scientist who bridged planetary science, climate policy, and undergraduate education, ...

Vitus Reflux' pushes the show's balance between 'Star Trek' ideas and its youthful vibe to a fun, if fruitless, stretching point.

China's rising demand for cooling doesn't have to drive rising temperatures. A recent study shows how rapid shifts to cleaner ...

Cancelled too soon, Earth 2 was gritty, serialized sci-fi before TV was ready for it. Thirty years later, it still stings.

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...