We asked experts if regular exposure to low levels of radiation could be harmful to health. Credit...Joyce Lee for The New York Times Supported by By Melinda Wenner Moyer Q: It seems as if every ...

X, formerly Twitter, debuted a new feature for its US users on Sunday — a tab dedicated to watching videos on the platform. "The Video Tab has arrived. LFG," X CEO Linda Yaccarino wrote in a ...

XRD patterns of WO 3 nano powders after calcination at 550ºC for 90 min with different amounts of oxalic acid and PEG. All peaks match with the standard pattern of monoclinic WO 3 (JCPDS # 83-0950) In ...

Two NASA astronauts will perform the year's first spacewalk today (Jan. 16), and you can watch the action live. Nick Hague and Suni Williams are scheduled to venture outside the International ...

Everyone who has been to the dentist has had dental X-rays at some point, whether as part of their routine visit or to help diagnose a problem. So, what exactly are dental X-rays for and why are they ...

One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise disappearance, and now, a precarious spinning act. The black hole in ...