Autumn nights are lengthening steadily, offering skygazers a wonderful assortment of celestial attractions. Among them are a collection of water-related constellations: Cetus, the Whale, Aquarius, the ...

An astronomer may have caught a cannibalistic star in the act of devouring a companion and making a second generation of exoplanets from the resulting orbiting disk. Using data from NASA's Chandra ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, ...

If you’ve been meaning to spend more time under the stars, June is a great month to start. As summer warms up the Northern Hemisphere, the skies open up with some of the most breathtaking views of ...