The technology could be used to send probes across interstellar space to other star systems.
A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.
Without a rescue mission, NASA’s Swift Observatory, which studies some of the most powerful explosions in the universe, will ...
A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.
As Elon Musk basked in the public spectacle of SpaceX’s blockbuster initial public offering this month, another — altogether ...
A private rocket mission aims to boost NASA’s Swift telescope before its orbit decays, extending its hunt for gamma-ray ...
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Space science has come a long way since July 4, 1776. Here's a look back at the saga
Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major ...
This week Ars hosted a live discussion with two space industry experts about the aftermath of the catastrophic explosion of ...
Seventy years ago, Earth had only one satellite: the moon. Now it has more than 15,000—about 10,000 of which are owned by Elon Musk's SpaceX. The world's first trillionaire plans to launch 1 million ...
A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.
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