The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

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

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

The most important aspect of this is that, with a possible atmosphere and liquid water, this planet lies within the habitable ...

For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

Watch With Us picks the best sci-fi films from every year of the 1990s, including 'Jurassic Park,' 'The Matrix' and '12 ...

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

From expected faves like "Seinfeld" and "Friends" to selections sure to stir debate, here's our list of top 10 best Christmas ...

There has been a lot of buzz around interstellar comet 3I/ATLAS over the past couple of months. It is the third confirmed visitor from beyond our sola.