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Rethinking How We End A Satellite’s Mission

At the end of their lives, most satellites fall to their death. Many of the smaller ones, including most of…

6 months ago

Event horizon hunt: A black hole word search

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

6 months ago

Our favorite Space.com stories of 2025

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

6 months ago

The top astronomical discoveries of 2025

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

6 months ago

NASA’s SPHEREx Observatory Completes Its First Map of the Cosmos in 102 Infrared Wavelengths

Launched in March, NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.…

6 months ago

Lego U.S.S. Enterprise NCC-1701-D review

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

6 months ago

Space.com headlines crossword quiz for week of Dec. 22, 2025: Which NASA observatory just completed its first sky map?

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

6 months ago

Space debris: will it take a catastrophe for nations to take the issue seriously?

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

6 months ago

The best sci-fi movies of 2025. ranked

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

6 months ago

Turning Structural Failure into Propulsion

Solar sails have some major advantages over traditional propulsion methods - most notably they don’t use any propellant. But, how…

6 months ago