Amazing sounds come from the bird-like nebula 30 trillion kilometers away

This infrared color image shows a special reflection of the hydrocarbon lake Kivu Lacus on Saturn's moon Titan. Kivu Lacus is the smallest lake on Titan - about 77.5 km wide, located very close to the north pole of Titan.This...

Raja Chari, an Indian-born astronaut who arrived at the space station last year, has completed his first spacewalk. Raja Chari spent 6.5 hours outside the space station as part of a special mission. The mission was to upgrade the International...

You put some zinc into the hydrochloric acid in a test tube. The formation of hydrogen gas can be seen. That's the chemistry you know. Zn + HCl → ZnCl2 + H2 In 1766, Henry Cavendish identified this element and...