Planets

Saturn's ocean-bearing moon Enceladus taken in visible light with the Cassini spacecraft narrow-angle camera on Nov. 27, 2016. NASA/JPL-Caltech/Space Science Institute/Handout via REUTERS  ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. - RTX35GEK

Alien life may already exist in our galaxy

Saturn’s moon Enceladus, Jupiter’s moon Europa, Pluto and its moon Charon, as well as the dwarf planet Ceres are potential homes for extra-terrestrials, scientists at University of...

A NASA/ESA Hubble Space Telescope image shows a spiral galaxy NGC 6814, whose luminous nucleus and spectacular sweeping arms, rippled with an intricate pattern of dark dust, is a highly variable source of X-ray radiation, causing scientists to suspect that it hosts a supermassive black hole with a mass about 18 million times that of the Sun.  Courtesy NASA/Handout via REUTERS   ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY - RTX2E8RJ

Who's in charge of outer space?

In space, no one can hear you scheme. But here on Earth, plans to go where few have gone before are getting louder by the minute.