Wide-field telescopes and eyepieces are best for viewing large nebulae. Dark skies and high altitudes improve visibility. Planning your observations, including target selection and timing, is crucial.

Europe’s flagship ground-based astronomical facility, the ESO VLT, has been equipped with a new ‘eye’ to study the Universe. Working in the near-infrared, the new instrument – dubbed HAWK-I – covers ...

First motion is almost always a big event in the world of space exploration. Whether the first motion is of a wheel beginning to rotate or a rocket lifting off the pad, first motion means things are ...

The 1998 discovery that the universe is expanding at an accelerated rate raised new and profound questions about the nature and fate of the universe. Based on measurements of the speed of distant ...

China has a new wide-field telescope up and running. The Wide Field Survey Telescope (WFST), which measures 8.2 feet (2.5 meters) in diameter and is situated in the mountains of northwest China's ...

BAE Systems has delivered to NASA the primary piece of optical equipment that is scheduled to launch as part of the Nancy Grace Roman Space Telescope in 2027. Known as the Wide Field Instrument (WFI), ...

In a hint of cosmological discoveries to come, the European Space Agency’s (ESA) newly launched Euclid telescope has captured a smattering of sharp, wide-field images of galaxies near and far, ...

Unlike the Hubble and Webb space telescopes, which zero in on small patches of the sky, the Roman Telescope will be designed to take a wider view of the cosmos. Share on Facebook (opens in a new ...