In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

Despite its length and the reuse of ideas, Avatar remains a solid franchise — and Cameron continues to prove that some ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

The True Story of an Alien Craze that Captured Turn of the Century America," David Baron looked into one source of that ...

So, without further ado, here are the seven best new sci-fi shows of 2025, including some releases that went under the radar.