Month: December 2025

Hunt for key terms that define one of the universe’s most mind-bending phenomena—from event horizons to singularities.

We asked our staff to choose their favorite Space.com stories of 2025. Here’s what we got.

Here are eight of the most spectacular astronomical discoveries of 2025.

Launched in March, NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors. This map will enable 3D distance measurements to other galaxies…

Boldly going where no Lego set has gone before, the first-ever Star Trek Lego set you can buy and it is awesome!

Test your space smarts with our weekly crossword challenge, crafted from Space.com’s biggest headlines.

When a piece of debris hits another object in space, it can also create more space debris, adding to the problem.

Spike your eggnog and relax with our list of the finest flicks of the year about invasive AI, soaring superheroes, and Lovecraftian horrors.

Solar sails have some major advantages over traditional propulsion methods – most notably they don’t use any propellant. But, how exactly do they turn? In traditional sailing, a ship’s captain…

It’s the 12 days of Spacemas, fa la la la la la la la la (sorry).