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NASA's Apollo spacecraft had briefcase-size computers that for their day would normally have filled two rooms. Apollo Instruments has been able to shrink the Apollo Guidance Computer even more.

Here are all the best binoculars deals on the market with something for everyone regardless of budget, needs and experience.

DEALS We've found the best Sky-Watcher telescope deals for you.

Deals We've scoped out all the best Celestron telescope and binoculars deals on the market and put them in this handy guide.

Rocket Lab launched a radar satellite for the Earth-observation company Synspective to orbit today (Dec. 21) on its final mission of the year.

Exclusive bonus feature clips from new "Ahsoka" and "The Mandalorian" S3 4K UHD Steelbooks

Recent sightings of unidentified aircraft in New Jersey and other states have triggered another round of unanswered questions — and fueled conspiracy theories.

On Episode 141 of This Week In Space, Rod and Tariq are joined by producer Anthony and Ant Pruitt to celebrate the end of the year.

On Dec. 21, 1968, NASA's Apollo 8 mission launched to the moon.

After years of only new Star Wars shows, the franchise is ready to return to the big screen. But which upcoming Star Wars movies should you watch out for?