Abstract: An improved space charge model for a 1-D large-signal simulation algorithm for sheet beam (SB) traveling wave tube (TWT) is proposed in this article, which is finally integrated into the ...

As Americans go to the polls, some voters may — for whatever reason — decide they don't want to vote in every single race or on every initiative. Voting in some races, but not all, is called ...

NASA telescopes have captured two ghastly galaxies that look like a creepy pair of staring “blood-soaked” eyes floating in space. The spiral galaxies, which are located 114 million light-years ...

Editor’s Note: The CODEX instrument launched aboard NASA’s SpaceX 31st commercial resupply mission to the International Space Station at 9:29 p.m. EST on Nov. 4, 2024. On Nov. 11, robotics flight ...

As chair of the White House’s National Space Council, the vice president largely emphasized continuity with policies set by the Trump administration. By Kenneth Chang and Katrina Miller For ...

Space is not a very hospitable place. There is no air. Depending on whether you are in sunlight or not, it is either freezing cold or roasting hot. There are subtler hazards, too. Even when ...

“Decades have gone by, but it’s still there,” Ye, who later played a leading role in China’s space program, told Chinese state media recently. “Because no one has surpassed them.” ...

Aerospace giant Boeing is reportedly exploring the sale of some portions of its space business as it considers ways to streamline its operations. The Wall Street Journal reported Friday ...

If blank spaces make you uncomfortable, the good news is that you’ve got plenty of options for filling them without cluttering up your home. We’ve gathered up our favorite (and most creative) awkward ...

The inaugural Reverie Indigenous Music Residency kicked off on Oct. 16 ... Walls-Andrew shared that Reverie aims to "create a space where Indigenous storytellers and artists, who have ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! Nagai used software to convert the data into sheet music. He separated the various datasets into sections ...