There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

Find out when the next full moon will light up the night sky. Discover its phases and mysteries with ExtremeTech’s guide.

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

The moon will be 99% full Friday night, and with mostly clear skies expected for Louisville in the evening, tonight is a good ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

NASA released images of star clusters NGC 460 and NGC 456 in the Small Magellanic Cloud. Hubble shows visible light, while ...

Muhammad Umar, who uses his mother’s Celestron telescope to view the stars, said Jupiter, the largest and oldest planet in ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but. The object’s trajectory revealed it to be a much rarer visitor than first ...