Credit: Astronomy: Roen Kelly, after Darth Kule/Wikimedia Commons Type O stars, which are the hottest and bluest, are also extremely luminous; some of the most massive stars are O-type.

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From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

from stars and constellations to bright planets, the moon, and sometimes special events like meteor showers. Observing the night sky can be done with no special equipment, although a sky map can ...

Take some time to point binoculars or a telescope at open cluster NGC 457, which lies in the constellation Cassiopeia. You’ll ...

Find out more about saving to your Kindle. Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device ...

A much fainter star orbits it once every 30 years. To map the orbit of this star ... University’s Center for High Angular Resolution Astronomy (CHARA) telescopes. The fresh observations of ...

Astronomy Photographer of the Year, the annual photo competition showcasing all things space, is back. Ed Bloomer, senior ...

It was mere decades ago that the idea of space tourism — not just for astronauts and scientific research but for recreation — was the stuff of science fiction. Today, space travel for the ...

In a paper published in the Journal for the History of Astronomy on Tuesday, scholars described discovering what they believe to be a 2,000-year-old segment of a star map. The text of a Christian ...

Some astronomy aficionados ... are distributing glasses for free. To see which libraries near you have glasses available, ...

Welcome to the 2023 NFL Draft. Fans will descend upon Kansas City to see which college players will be selected to join their favorite professional team. Three days of fanfare, excitement and ...