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

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

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

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.

Dive into the birth of the Solar System and discover how a chaotic cloud of gas and dust, collisions, and gravity created a ...

For decades, science fiction treated alien planets like Earth with a different paint job. This video shows how real exoplanet discoveries changed that, forcing writers to imagine harsher climates, ...

"Stars like the sun don’t just stop shining for no reason." ...

However, the research from a Strathclyde University academic found that ice located beneath the surface of Mars would provide ...

NASA has dismissed viral claims that Earth will briefly “lose gravity” in August 2026, calling the theory scientifically ...

The astrophysicist was one of the first researchers to bring astronomy closer to the general public and to advocate the ...

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

The idea sounds simple enough when reduced to its basics. Put reflective surfaces in orbit and redirect sunlight back to Earth after sunset. A Califor.