Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for ...

At least two flights briefly traveled faster than the speed of sound as the jet stream sped up, but there would not have been ...

Astronomers are very familiar with the twin jets launched from the poles of supermassive black holes. These structures can ...

A bill that states, “people may not ride Class 3 e-bikes on bike lanes, sidewalks or bike paths,” and has set off alarm bells ...

Despite its incredible speed, Chief Engineer Deng Fan assured that passengers would be fully protected from the effects of ...