Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on ...

BL Lacertae, an enigmatic blazar, has shattered long-held classification norms, leaving astronomers baffled. Originally ...

Blazars are active galaxies that emit narrow jets of ionised matter from their centres, aimed towards Earth. Depending on ...

In the Venn diagram of Belinda and myself ... where you might have to be more of a chameleon. Here, we can lean into our own instincts a lot more. With a big ensemble cast, who surprised you ...

David Attenborough tells the story of the animal that once bewildered scientists: the chameleon. Watch the full documentary David Attenborough's Natural Curiosities on BBC Select. The English ...

The Weidemann system of wiring lamps, from “Electric-Wiring, Diagrams and Switchboards” by Newton Harrison E.E., published in 1906, complete with “one hundred and five illustrations showing ...

Anderson, Michael Feinstein and Rosemary Clooney. His albums, 14 in all, have reached number one on the jazz radio airplay charts, earned 4 1/2 stars in Downbeat, and have been featured on NPR. Thomas ...