As U.S. butterfly populations face declines, the John Ball Zoo has launched a program to save these insects in a race against extinction.

The new species was observed spending “long periods sunning itself,” on a tree high up in Angola’s central highlands, according to a study.

The discovery of a new butterfly species in Kerala’s Western Ghats has excited scientists and conservationists alike. Named ...

Every time a large telescope is built, its designers must re-think the challenges, check every application, and improve on what has been done before. The 6.5-meter Baade and Clay telescopes were built ...

A metrology system capable of cofocusing and cophasing is essential to ensure the performance of large segmented space telescopes, similar to that of monolithic telescopes, as well as to image the ...