The project reflects a broader global shift toward using commercial remote-sensing satellites for national security missions The...
Astrobitica
By analyzing the archival data from the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers...
This low-cost mission is still only getting started, and it's taking bigger risks than typical big-ticket NASA...
At the end of their lives, most satellites fall to their death. Many of the smaller ones,...
Hunt for key terms that define one of the universe's most mind-bending phenomena—from event horizons to singularities.
A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet...
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...
Boldly going where no Lego set has gone before, the first-ever Star Trek Lego set you can...
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,...
Live coverage: SpaceX to launch Italian Earth observation satellite on final Falcon 9 flight of 2025
The Cosmo-SkyMed Second Generation Flight Model 3 satellite undergoes testing ahead of its launch on a SpaceX...
Spike your eggnog and relax with our list of the finest flicks of the year about invasive...
Solar sails have some major advantages over traditional propulsion methods – most notably they don’t use any...
It's the 12 days of Spacemas, fa la la la la la la la la (sorry).
ULA President and CEO Tory Bruno participated in a fireside chat with Michael Dickey, director of the...
Searches for dark matter particles have come up empty so far, driving theorists to get more creative...
Tory Bruno, who recently stepped down as chief executive of United Launch Alliance, is joining Blue Origin...
While space is often referred to as a vacuum, it isn't completely empty.