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Northrop Grumman's Private Antares Rocket: 5 Surprising Facts
By Miriam Kramer last updated
Here are five things you might not have known about Antares.
The strangest black holes in the universe
By Charles Q. Choi last updated
Look at these weird, light-gobbling cosmic monsters.
The Greatest 'Star Wars' Movie Plot Twists of All Time
By Scott Snowden last updated
With "Star Wars: The Rise of Skywalker" here and the promise of more plot twists and turns just days away, we look back at the best we’ve ever seen in the "Star Wars" movie franchise.
The Leonid Meteor Shower Explained in 10 Facts
By Robert Roy Britt published
NASA's 17 Apollo Moon Missions in Pictures
By Space.com Staff published
NASA's Apollo program put the first humans on the moon. See how the missions flew in this photo tour.
Stellar Threads: Trying on a Spacesuit Brings Thrills and Challenges
By Elizabeth Howell published
In Photos: Einstein's 1919 Solar Eclipse Experiment Tests General Relativity
By Sarah Lewin published
Here's how scientists verified Albert Einstein's theory of relativity using a total solar eclipse.
Blastoff! How to See a Rocket Launch In Person This Year
By Sarah Lewin published
It's not just for the pros: With a little planning and flexibility, anybody can go watch a rocket blast off. Our in-depth guide goes through each of this year's U.S. launch locations and dates.
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