Ever notice how the pitch of an ambulance's siren changes as it speeds by? If so, then you're already familiar with a phenomenon that astronomers use to measure the relative speeds of astronomical ...

Many animals exhibit segmental patterns that manifest themselves during development. One classical example is the sequential and rhythmic formation the segmental precursors of the backbone, a process ...

Redshift and blueshift are used by astronomers to work out how far an object is from Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

This week India celebrated 70 years of independence. So what better way to mark the occasion than a music video? Step forward 20 or so scientists from the Indian Space Research Organisation (ISRO), ...

Reddened starlight can come from a few different sources. (1) When a star moves away from us through pre-existing space, its spectral lines (which show characteristic patterns) are shifted to longer ...